Thunder header exhaust

Thunderheader was one of the first companies in the aftermarket exhaust world for Harley's. After 30 years, there is still just one conclusion: The Thunderheader just works. Sound, performance, everything- …

Featuring a 2-into-1 design with a patented collector, this exhaust system directs spent exhaust gases in a spiral motion through four acoustical dampening chambers. This unique design enhances exhaust scavenging, effectively eliminating back pressure and improving overall engine performance.Add To Cart. $817.95. Flowmaster. Flowmaster 817129 - American Thunder Header-Back Exhaust System 1967-1968 GM Camaro/Firebird V8. Add To Cart. $854.95. Flowmaster. Magnaflow 15896 - Street Series Crossmember-Back Exhaust System 1973-74 Buick. Add To Cart.Heat Shield Set for 2 into 1 Exhaust System 2014-2020 H-D Sportster - Forward Controls - Chrome Thunderheader. $161.60 $404.00. Thunderheader was one of the first companies in the aftermarket exhaust world for Harley's. After 30 years, there is still just one conclusion: The Thunderheader just works.Free shipping. Thunderheader XSeries High Pipe 2 Into 1 Chrome Exhaust System Harley Softail M8. Brand New. $1,895.30. americanclassicmotors (374,510) 99.1%. Buy It Now. Free shipping. Black Cobra 2 Into1 PowerPro HP RPT Exhaust Header System Pipe Thunder Tone Dyna.Featuring a 2-into-1 design with a patented collector, this exhaust system directs spent exhaust gases in a spiral motion through four acoustical dampening chambers. This unique design enhances exhaust scavenging, effectively eliminating back pressure and improving overall engine performance. Get ready to experience unparalleled performance with the Thunderheader Long Style High-Performace 2-Into-1 Exhaust System with Heat Shields . This innovative exhaust system is designed to give you maximum horsepower without sacrificing low-end torque. Add to compare. (14) 2 into 1 High Performance Exhaust System - 1057 Thunderheader. $1,109.00. Part #: 251460 Mfg Part #: 1057. Add to compare. Results per Page. Viewing Results 1 - 40 of 52. Shop the best selection of Thunderheader Harley-Davidson products at Dennis Kirk for the lowest prices.Black X-Series Exhaust System - 1073XB Thunderheader. $1,839.00 Part #: 4409870 Mfg Part #: 1073XB. Add to compare exact fit (6) Chrome Thundercone Slip-On Mufflers - 1066 Thunderheader. $795.00 Part #: 4410260 Mfg Part #: 1066. Add to compare exact fit (11) Black Thundercone ...

The classic sound of a Flowmaster® chambered exhaust, our American Thunder® Series features mufflers tuned to deliver more power, torque, throttle response and mileage. Best of all, these exhaust systems take sedate vehicles and delivers a deep aggressive tone.Please click like if you like the video!Please check out my main channel for more videos:https://www.youtube.com/channel/UCcNfwWx33aOEUgm8D-OS71g-----...We are a dealer for Thunderheader exhaust - we can get any exhaust, heat shields, or parts you need from them. Available in black or chrome, for midset or forward controls - give us a call or shoot us an email for latest pricing and to ensure we get the correct part for your bike. 508-995-6764 / [email protected]™ X-Series™ 2-into 1 exhaust systems for Touring models is our large diameter exhaust specifically designed for big cubic inch engines, built to produce big numbers The X-Series™ is designed with 2 in. primary tubes with a 12-degree transition chamber to allow more exhaust flowIncreased horsepower & unmistakable THUNDERHEADER™ sound. Year. Fitment. Chrome. Black. 2000-2006. All model Softails. Sold Seperately - Heat Shields 1305 (top rear), 1306 (top front), & 1207 (collector) 1027.Black Heat Shields for Thundercone Slip-Ons - 1353B Thunderheader. $211.50. Part #: 252132 Mfg Part #: 1353B. Add to compare. Results per Page. Viewing Results 1 - 40 of 53. Shop the best selection of Thunderheader Motorcycle …Flow director has equal area at each end, allowing exhaust gases to travel at a constant velocity over the entire length to improve exhaust scavenging For heat shields, order the following: H25035 - 14 in. long style top front; H25034 - 23 in. long style top rear; H25029 - 13-1/2 in. collector The Thunderheader Black X-Series Exhaust System comes complete with heat shields and all mounting hardware, ensuring a hassle-free installation process. The package also includes 12mm O2 sensor bungs and pre-installed O2 sensor ports with O2 sensor plugs, making it even easier to fit and modify to match your bike's specifications.

Thunderheader head pipes are tuned to the proper length and diameter to produce maximum horsepower and an excellent torque curve. With a patented collector design, only Thunderheader systems can produce their power, torque and sound.48 & 160. E-Clip Set @ #6. Overall Summary: 20% gain in HP to 74.1 Horsepower. Note: This is an estimate because we did not do a before Dyno, but they said 60 - 65 HP was standard from their tests. My Tech was also a Harley Driver, Jeremy Willis, a mutliple Texas speed record holder.Thunderheader Harley-Davidson Exhaust Systems. I know the type. Exhaust Type. Results per Page. Viewing Results 1 - 26 of 26. Sort by | Relevance. (20) 2 into 1 High …The widest part of the triangle being towards the rear of the header. To increase back pressure bend the wider part of the triangle towards the outer wall of the header. Repeat this for all four sides evenly. This will increase back pressure which maybe desirable on set ups with cams with more overlap.Find Flowmaster American Thunder Exhaust Systems and get Free Shipping on Orders Over $109 at Summit Racing! Flowmaster American Thunder exhaust systems are designed with the latest exhaust technology available--resulting in improved acceleration, passing power, and fuel mileage. A key to these performance upgrades is Flowmaster's use of mandrel-bent tubing, which allows superior exhaust gas ...

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Chrome 20 1/2 in. Heat Shield for Slip-Ons and Mufflers -... Thunderheader. $115.00. Part #: 251652 Mfg Part #: 1238. Add to compare. Find the Thunderheader Chrome Thundercone Slip-On Mufflers at Dennis Kirk. Shop our complete selection of Harley-Davidson Motorcycle parts and accessories including the Thunderheader Chrome …1081 posts · Joined 2008. #7 · Oct 9, 2008. There are only two pipes that rule HD world for sound and power. RB Racing's pro stock 2 into 1 and JBV Racing's Guppy III. Everything else is nuthin but wannbe's. Armed Men are citizens, unarmed men are servants. 98 FLSTF.Please click like if you like the video!Please check out my main channel for more videos:https://www.youtube.com/channel/UCcNfwWx33aOEUgm8D-OS71g-----... Exhaust Systems and Heat Shield Sets. Model 1071 THUNDERHEADER™ for 2010-2014 Touring. TRUE DUAL THUNDER™ for model years 2010-2016. Individual pipes for each cylinder and featuring our new Cross-Under™ design. Also a balance tube is incorporated in between primary tubes to improve torque. Ordered thunder header exhaust. Great job ! Customer Reviews. Based on 1 review. Write a review. 100% (1) 0% (0) 0% (0) 0% (0) 0% (0) A . Al B. Excellent products and service. Ordered thunder header exhaust. Great job ! Subscribe to our newsletter. Promotions, new products and sales. Directly to your inbox. Submit. Brass Exhaust Tips for 1.75 inch OD pipes Lowbrow Customs. $48.39 40. Exhaust Port Gasket 1982-Up Harley-Davidson James Gaskets. $16.95 7. MCM Slash Cut Drag Pipes 2004-2013 Harley-Davidson Sportster - Black V-Factor Motorcycle Parts. $119.99. MCM Slash Cut Drag Pipes 1986-2006 Harley-Davidson Softail - Chrome V-Factor Motorcycle Parts.

Thunder Exhaust System Co., Ltd. is Taiwan supplier and manufacturer in Automobile industry market since 1995. THUNDER has been offering our customers high quality Exhaust, Manifold, Header, Muffler, Silencer, Rear Muffler, Catback, Catalytic, Turbo Manifold, Inter Pipe. With both advanced technology and 19 years experience, …Thunder and lightning are not the same phenomenon, though both are caused by the same event. As a cloud equalizes its electric charge with the ground, the current must pass through...Rating: 6/10 In Love and Thunder, the twenty-ninth entry in the Marvel Cinematic Universe (MCU), things start off well with an extended opening scene that introduces us to Gorr (Ch...The Thunderheader Black X-Series Exhaust System comes complete with heat shields and all mounting hardware, ensuring a hassle-free installation process. The package also includes 12mm O2 sensor bungs and pre-installed O2 sensor ports with O2 sensor plugs, making it even easier to fit and modify to match your bike's specifications.Unlike Thunderheader, RB Racing makes several different pipes. So to ask for a comparison of a Thunderheader to an RB Racing pipe is almost like asking to compare a Mustang to a Chevy. There is a bit of information missing. If you have read the RB Racing website you know there are at least three different 2-1 pipes: the ProStock, …Stainless Steel Wire Exhaust Port Gaskets and Heavy-Duty Hex Nuts - 65324-83-KW2 Genuine James. $22.46 Part #: 4403144 Mfg Part #: 65324-83-KW2. exact fit (15) Graphite Wire ... X-Series Exhaust System - 1074X Thunderheader. $1,656.00 Part … We manufacture 2-1/4”, 2-1/2”, and 3” inlet sizes for both straight and angled cut performance tips. To get more information, answers to your questions, or anything else, e-mail us at [email protected]. Our team would be glad to assist you. At Thunder Exhaust, we offer standout, race-inspired designs which can be put on any vehicle ... When it comes to maintaining and optimizing the performance of your Greenheck exhaust fans, choosing the right parts is crucial. Before you start searching for replacement parts, i...

Shop for Thunderheader Exhaust for your 2006 Harley-Davidson Electra Glide Ultra Classic Injected - FLHTCU I at Dennis Kirk. www.denniskirk.com. 800-969-7501. Contact us: 800-969-7501; We'll ship today if ordered in: 1 4 HR: 2 7 MIN: 5 4 SEC. Details Shipping Cutoff Times ...

2 into 1 High Performance Exhaust System - 1057 Thunderheader. $1,109.00. Part #: 251460 Mfg Part #: 1057. Add to compare. Results per Page. Viewing Results 1 - 26 of 26. Shop the best selection of Thunderheader Harley-Davidson Exhaust Systems at Dennis Kirk for the lowest prices. FREE SHIPPING on orders over $89 – We Ship Today!exact fit. (34) Chrome Thundercone Slip-On Mufflers - 1061 Thunderheader. $715.50. Part #: H25010 Mfg Part #: 1061. Results per Page. Viewing Results 1 - 5 of 5. Prev. Shop for Thunderheader Exhaust for your 2001 Harley-Davidson Road King - … Chrome X-Series Exhaust System - 1073X Thunderheader. $1,899.00 Part #: 4409869 Mfg Part #: 1073X. Add to compare exact fit (4) Black X ... Get ready to experience unparalleled performance with the Thunderheader Long Style High-Performace 2-Into-1 Exhaust System with Heat Shields . This innovative exhaust system is designed to give you maximum horsepower without sacrificing low-end torque.You feel completely wiped out, but you know you need to push through for just a little bit longer. Do you reach for a mug or a pillow? Here’s what science has to say. You feel comp... New NOS Thunderheader Harley Davidson Chrome thunder header exhaust pipe 120134. Brand New: Thunderheader. $875.00. $46.00 shipping. Celtic Thunder, the internationally renowned Irish music group, has announced their highly anticipated tour schedule for fans worldwide. With their captivating performances and pow...Apollo Restaurant Diner. 630 Merrick Avenue North, East Meadow, New York 11554, United States. (516) 292-1620.

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THUNDERHEADER EXHAUST - TOURING. by THUNDERHEADER. $1,437.99 - $1,919.99. From $129.79/mo with. Check your purchasing power. Ramjet's has been selling Thunderheaders for nearly 30 years! Shortly after being introduced to the market in the late '80s, Thunderheader 2:1 exhaust systems became THE performance exhaust system for your Harley-Davidson.Thunderheader X Series The new THUNDERHEADER X-SERIES for Touring is our large diameter exhaust specifically designed for big cubic inch engines (107" and larger), built to produce big numbers. The X-SERIES is designed with 2" primary tubes with a 14 degree transition chamber to allow more exhaust flow. Our unique pateCommonly Recognized As The BEST Sounding Exhaust For Harley-Davidson. Proven & Noticeable Performance Gains. Available In Black or Chrome. Includes FULL Coverage Heat Shields. Classic / Performance Look. 100% MADE IN THE USA. FITS: M8 Softail Models. #1364x - Slim, Low Rider, Fat Boy, Breakout, Street Bob, Fat Bob, Deluxe.Redthunder is the perfect combination of sound and performance. Ever since our inception, our R&D team have consistently engineered high quality exhaust systems for enthusiasts who want a no-nonsense exhaust system that will perform and produce a superior sound, wherever and whenever. Redthunder products are truly one-of-a-kind.Thunderheader Slip Ons with Heat Shields Softail Harley Davidson M8. $600.00. thunderheader 2 into 1 exhaust 80ci. $449.00. Thunderheader 2010 2016 Touring Black 2into1 Exhaust Header 1074BHP. $329.00. Thunderheader Chrome Heat Shields for Harley FLH 1995 16, Slip Ons 1161 H1. $235.00.Find many great new & used options and get the best deals for Flowmaster 17129 American Thunder Header-Back Exhaust System - Dual at the best online prices at eBay! Free shipping for many products!SKU: TTH-1020-ATT. MPN: 1020. Thunderheader Model 1020 Exhaust for Harley-Davidson Shovelhead '70-'83. $1,080.00. Custom Made for you. Ships in 6-8 weeks. Select Color: By checking this box you agree that this item is for racing only and will not be used on public roads or land. Will not ship to California.Flowmaster American Thunder Header-Back Exhaust System 1967-1972 Ford F-100/250/350 2WD V8, Short and Long Bed. Part Number: 389-817938. Product Q&A View Now. Click image to zoom. Video. $764.95 Oversize Fee:$49.99. 2 left in stock Lowest Price Guarantee $ + $ $ American Thunder Header-Back Exhaust System ...The job of cleaning your commercial or residential exhaust fans doesn’t have to be a terrible chore. Check out this easy guide to cleaning your exhaust fans, and get that exhaust f...Thunderheader Chrome 2 into 1 X-Series High Exhaust System. Our X-SERIES™ Exhaust is our newest line in creating maximum horsepower. With our 2" headpipe, equal length tubes, and a larger collector, this exhaust is made specifically for Harley-Davidson's Milwaukee-Eight™ engine. Includes full coverage heat shields. 18mm and 12mm O2 … ….

An Executive Order (EO) is the document signed by an ARB official documenting ARB approval for specified motorcycles. Any aftermarket exhaust system that replaces or otherwise impacts emission control equipment, including catalytic converters, requires an EO to be sold for use in California unless the system is for competition use only ... 1081 posts · Joined 2008. #7 · Oct 9, 2008. There are only two pipes that rule HD world for sound and power. RB Racing's pro stock 2 into 1 and JBV Racing's Guppy III. Everything else is nuthin but wannbe's. Armed Men are citizens, unarmed men are servants. 98 FLSTF. THUNDERHEADER EXHAUST - FXR. by THUNDERHEADER. $1,049.99 - $1,099.99. From $96.30/mo with. Check your purchasing power. Ramjet's has been selling Thunderheaders for nearly 30 years! Shortly after being introduced to the market in the late '80s, Thunderheader 2:1 exhaust systems became THE performance exhaust system for your Harley-Davidson. Black Heat Shields for Thundercone Slip-Ons - 1353B Thunderheader. $211.50. Part #: 252132 Mfg Part #: 1353B. Add to compare. Results per Page. Viewing Results 1 - 40 of 53. Shop the best selection of Thunderheader Motorcycle …Thunderheader Exhaust Systems 2020 Harley-Davidson Road Glide Limited - FLTRK; Thunderheader Exhaust Systems for your 2020 Harley-Davidson Road Glide Limited - FLTRK. Filter Results. View Results Exhaust Systems Thunderheader Clear All; Ride Types Motorcycle (2) Harley ...Description. Thunderheader X Series M8 Softail. Designed to give maximum horsepower without sacrificing low-end torque. 2-into-1 systems with patented collector design that directs spent exhaust gases in a spiral motion through four acoustical damping chambers. Exhaust travels through these chambers at high velocity to scavenge spent exhaust ...Black Heat Shields for Thundercone Slip-Ons - 1353B Thunderheader. $211.50. Part #: 252132 Mfg Part #: 1353B. Add to compare. Results per Page. Viewing Results 1 - 40 of 53. Shop the best selection of Thunderheader Motorcycle …2 INTO 1 long style (right side only). Comes with 12mm O2 Sensors. Includes Heat Shields 1084 (top rear), 1085 (top front), & 1090L (collector) 1074. 1074B. Heat Shield set of 3. 1124. 1124B. Thunderheader™ Exhaust Systems are legal for CLOSED-COURSE COMPETITION use only.Introducing the Thunderheader 2 into 1 High Performance Exhaust System - 1039, the ultimate exhaust upgrade for your motorcycle. With its cutting-edge design and advanced features, this exhaust system is designed to deliver maximum horsepower and torque without compromising on performance. The new design for 2020 ensures compatibility with both ...Exhaust Systems and Heat Shield Sets. Model 1071 THUNDERHEADER™ for 2010-2014 Touring. TRUE DUAL THUNDER™ for model years 2010-2016. Individual pipes for each cylinder and featuring our new Cross-Under™ design. Also a balance tube is incorporated in between primary tubes to improve torque. Thunder header exhaust, Harley-Davidson Screamin' Eagle Stage 4 with a ThunderHeader Exhaust System. Details, Test Ride, and freeway Shredding http://www.laidlawsharley.comSupport m..., The Thunderheader 2 into 1 High Performance Exhaust System also boasts an anti-reversion design. This means it works to impede reverse flow through the system, preventing contaminating reverse flow from entering the fuel/air mixture. This not only enhances performance but also optimizes throttle response for a smoother ride., 1995-14 Harley Davidson FLH Thunder Header Slip On Exhaust 1061. Opens in a new window or tab. Pre-Owned. $450.00. richmondcycles (3,596) 99.5%. or Best Offer. Free shipping. Brushed 2 into 1 Full Length Exhaust Pipe for Harley M8 Touring Street Glide 17+ Opens in a new window or tab. Brand New. $449.99., Products and Parts . Important Information Regarding California-Certifed Motorcycles (click here) l, Thunderheader 2 into 1 High Performance Exhaust System. ThunderHeader head pipes have been tuned to the proper length and diameter to produce maximum horsepower and a excellent torque curve. A patented collector is used. The collector is designed to direct spent gases through four acoustical dampening chambers., Thunderheader Exhaust Systems 2022 Harley-Davidson Softail Low Rider S - FXLRS; Thunderheader Exhaust Systems for your 2022 Harley-Davidson Softail Low Rider S - FXLRS. Filter Results. View Results Exhaust Systems Thunderheader Clear All; Availability In Stock Only (3) Ride Types ..., Imzz Elite Thunderheader Exhaust Bracket. Rated 4.10 out of 5 based on 10 customer ratings. ( 10 customer reviews) $ 199.95. 7/8″ 188 Thick Wall Tubing for a stiff mount of the exhaust to the bike. Laser cut 3/8″ and 1/4″ thick mounting plates for solid mounting. 100% TIG welding for strength., The anti-reversion design of the Thunderheader exhaust system prevents reverse flow through the system, which can negatively impact performance and throttle response. As the reverse flow enters the collector, the …, exact fit. (34) Chrome Thundercone Slip-On Mufflers - 1061 Thunderheader. $715.50. Part #: H25010 Mfg Part #: 1061. Results per Page. Viewing Results 1 - 5 of 5. Prev. Shop for Thunderheader Exhaust for your 2001 Harley-Davidson Road King - …, exact fit. (34) Chrome Thundercone Slip-On Mufflers - 1061 Thunderheader. $795.00. Part #: H25010 Mfg Part #: 1061. Add to compare. Results per Page. Viewing Results 1 - 5 of 5. Shop for Thunderheader Exhaust for your 2014 Harley-Davidson Street Glide Special - FLHXS at Dennis Kirk., The anti-reversion design of the Thunderheader exhaust system prevents reverse flow through the system, which can negatively impact performance and throttle response. As the reverse flow enters the collector, the …, Mar 25, 2012 · 125 posts · Joined 2011. #3 · Mar 26, 2012. Thunder Headers = great sounding exhaust and power. Another option for the shark is using thunder cones, that's what i have now behind my fuel-moto 2-1-2. Power is very good, and the sound is fantastic (i drown out all of my buddies that have the 2-1 th) Check out my pic. , Increased horsepower & unmistakable THUNDERHEADER™ sound. Year. Fitment. Chrome. Black. 2000-2006. All model Softails. Sold Seperately - Heat Shields 1305 (top rear), 1306 (top front), & 1207 (collector) 1027. , 125 posts · Joined 2011. #3 · Mar 26, 2012. Thunder Headers = great sounding exhaust and power. Another option for the shark is using thunder cones, that's what i have now behind my fuel-moto 2-1-2. Power is very good, and the sound is fantastic (i drown out all of my buddies that have the 2-1 th) Check out my pic., Ramjet Racing is a Motorcycle Shop in Phoenix. We Specialize in Motorcycle Service & Repair. With the Largest Selection of Accessories, Including Aftermarket, FXR, DYNA, Brakes, Exhaust & More. Call Ramjet Racing Now, (602) 788-0364, Increased horsepower & unmistakable THUNDERHEADER™ sound. Year. Fitment. Chrome. Black. 2000-2006. All model Softails. Sold Seperately - Heat Shields 1305 (top rear), 1306 (top front), & 1207 (collector) 1027., Redthunder is the perfect combination of sound and performance. Ever since our inception, our R&D team have consistently engineered high quality exhaust systems for enthusiasts who want a no-nonsense exhaust system that will perform and produce a superior sound, wherever and whenever. Redthunder products are truly one-of-a-kind., THUNDERHEADER EXHAUST - TOURING. by THUNDERHEADER. $1,437.99 - $1,919.99. From $129.79/mo with. Check your purchasing power. Ramjet's has been selling Thunderheaders for nearly 30 years! Shortly after being introduced to the market in the late '80s, Thunderheader 2:1 exhaust systems became THE performance exhaust system for your Harley-Davidson. , This is an Exhaust SOUND Comparison video only, between the Thunderheader, Vance & Hines Pro Pipe, and the Bassani Road Rage. all 3 bikes are 2013 Dynas with..., Imzz Elite Thunderheader Exhaust Bracket. Rated 4.10 out of 5 based on 10 customer ratings. ( 10 customer reviews) $ 199.95. 7/8″ 188 Thick Wall Tubing for a stiff mount of the exhaust to the bike. Laser cut 3/8″ and 1/4″ thick mounting plates for solid mounting. 100% TIG welding for strength., Increased horsepower & unmistakable THUNDERHEADER™ sound. Year. Fitment. Chrome. Black. 2000-2006. All model Softails. Sold Seperately - Heat Shields 1305 (top rear), 1306 (top front), & 1207 (collector) 1027. , Black Long Style High-Performance 2-Into-1 Exhaust System with Heat Shields - 1024SB Thunderheader. $1268.10. Part #: 4408739Mfg Part #: 1024SB. (2) Chrome Long Style High-Performance 2-Into-1 Exhaust System with Heat Shields - 1054S Thunderheader. $1302.30. Part #: 4408740Mfg Part #: 1054S. Black Long Style High-Performance 2-Into-1 Exhaust ..., New NOS Thunderheader Harley Davidson Chrome thunder header exhaust pipe 120134. Brand New: Thunderheader. $875.00. $46.00 shipping., This is an Exhaust SOUND Comparison video only, between the Thunderheader, Vance & Hines Pro Pipe, and the Bassani Road Rage. all 3 bikes are 2013 Dynas with..., Black Heat Shields for Thundercone Slip-Ons - 1166B Thunderheader. $169.00. Part #: 252134 Mfg Part #: 1166B. Ultimate Matte Finish Protectant - 98122 Star Tron. $11.08. Part #: 314412 Mfg Part #: 98122. Find the Thunderheader Black Thundercone Slip-On Mufflers at Dennis Kirk. Shop our complete selection of Harley-Davidson Motorcycle …, New NOS Thunderheader Harley Davidson Chrome thunder header exhaust pipe 120134. Brand New: Thunderheader. $875.00. $46.00 shipping. 2010 Harley Davidson chrome exhaust muffler M286. Pre-Owned: Thunderheader. $60.00. $22.05 shipping. Thunderheader Black Thundercone Slip-On Muffler - 1069B (no ship to CA) (Fits: …, The Thunderheader Black X-Series Exhaust System comes complete with heat shields and all mounting hardware, ensuring a hassle-free installation process. The package also includes 12mm O2 sensor bungs and pre-installed O2 sensor ports with O2 sensor plugs, making it even easier to fit and modify to match your bike's specifications., The Thunderheader Black X-Series Exhaust System comes complete with heat shields and all mounting hardware, ensuring a hassle-free installation process. The package also includes 12mm O2 sensor bungs and pre-installed O2 sensor ports with O2 sensor plugs, making it even easier to fit and modify to match your bike's specifications. , 2-into-1 systems with patented collector design that directs spent exhaust gases in a spiral motion through four acoustical damping chambers. Exhaust travels through these chambers at high velocity to scavenge spent exhaust gases from the combustion chamber and bring in a fresh charge of air/fuel mixture. Anti-reversion design works to impede ..., Featuring a 2-into-1 design with a patented collector, this exhaust system directs spent exhaust gases in a spiral motion through four acoustical dampening chambers. This …, 1056 posts · Joined 2010. #8 · Aug 9, 2017. There's nothing that sounds as good as a thunder header, that said I don't want to ride behind one. Those fuckers will wake the dead! 2021 Road Glide limited gauntlet grey, wood 22xe, Rinehart dbx40, Fuel moto ac/dc air cleaner and tune. Doug06rg. Like., Black 2 into 1 X-Series Exhaust System (w/o Saddlebag Bracket) - 1364XB Thunderheader. $1,839.00. Part #: 4410859 Mfg Part #: 1364XB. Add to compare. Results per Page. Viewing Results 1 - 26 of 26. Shop Thunderheader Exhaust Systems at Dennis Kirk. Best selection, low prices & orders over $89 ship free., Black Heat Shields for Thundercone Slip-Ons - 1353B Thunderheader. $198.10. Part #: 252132 Mfg Part #: 1353B. Add to compare. Results per Page. Viewing Results 1 - 5 of 5. Shop Thunderheader for your 2021 Harley-Davidson Softail Low Rider S - …