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4-Stroke Exhaust Systems

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Akrapovic Evolution Carbon Fiber Hex System Spark Arrestor
SALE! Save 6%!
Our Price:  $919.99
Retail Price:  $975.99
You Save:  $56.00

Akrapovic Evolution Carbon Fiber Hex System Spark Arrestor

Perforated inner sleeve and inlet cap are all made of titanium Flared or conical link pipe is made of titanium and welded to the muffler Hexagonal mufflers feature ...


 
White Brothers Carbon Pro II Complete Exhaust
BLOWOUT! Save 25%!
Our Price:  $669.77
Retail Price:  $895.95
You Save:  $226.18
Rating: 

White Brothers Carbon Pro II Complete Exhaust

100 percent complete system Design utilizes the same technology and specifications originally developed for the Aluminum Pro systems Carbon fiber can Tunable magnesium end cap and stainless ...


 
Yoshimura RS-3 Pro Series Full System Dual Exhaust - Carbon Fiber
SALE! Save 12%!
Our Price:  $1049.99
Retail Price:  $1195.99
You Save:  $146.00
Rating: 

Yoshimura RS-3 Pro Series Full System Dual Exhaust - Carbon Fiber

The RS-3 is synonymous with the Yoshimura name. A member of Yoshimura's product line for years, it has proven itself as one of their signature exhaust systems. The RS-3 Pro differentiates itself from the ...


 
Akrapovic Evolution Titanium Hex System Dual
SALE! Save 6%!
Our Price:  $979.99
Retail Price:  $1042.99
You Save:  $63.00

Akrapovic Evolution Titanium Hex System Dual

Perforated inner sleeve and inlet cap are all made of titanium Flared or conical link pipe is made of titanium and welded to the muffler Hexagonal mufflers feature a ...


 
Yoshimura RS-2 Comp Series Full System Exhaust - Titanium/Carbon Fiber
SALE! Save 10%!
Our Price:  $789.99
Retail Price:  $875.99
You Save:  $86.00

Yoshimura RS-2 Comp Series Full System Exhaust - Titanium/Carbon Fiber

Add some fire to your rides with the RS-2 Full System Comp Series exhaust. Titanium construction. New diamond-shape can allows for more packing material creating lower noise. ...


 
Yoshimura RS-3 Pro Series Full System Dual Exhaust - Titanium
SALE! Save 10%!
Our Price:  $989.99
Retail Price:  $1095.99
You Save:  $106.00

Yoshimura RS-3 Pro Series Full System Dual Exhaust - Titanium

The RS-3 is synonymous with the Yoshimura name. A member of Yoshimura's product line for years, it has proven itself as one of their signature exhaust systems. The RS-3 Pro differentiates itself from the ...


 
Yoshimura RS-4D Full System Exhaust - Carbon Fiber
SALE! Save 10%!
Our Price:  $989.99
Retail Price:  $1095.99
You Save:  $106.00

Yoshimura RS-4D Full System Exhaust - Carbon Fiber

The RS-4D builds on the technology that has made the RS-4 a force to be reckoned with on the racetrack, enhancing it's rock solid performance. By increasing the amount of open area at the ...


 
Yoshimura RS-2 Pro Series Full System Exhaust - Titanium/Carbon Fiber
SALE! Save 10%!
Our Price:  $809.99
Retail Price:  $895.99
You Save:  $86.00

Yoshimura RS-2 Pro Series Full System Exhaust - Titanium/Carbon Fiber

Add some fire to your rides with the RS-2 Full System Pro Series exhaust. New diamond-shape can allows for more packing material creating lower noise. Muffler shape increases ...


 
Yoshimura RS-4D Pro Series Full System Exhaust - Titanium/Carbon Fiber
Our Price:  $989.99 - $1029.99
Rating: 

Yoshimura RS-4D Pro Series Full System Exhaust - Titanium/Carbon Fiber

The RS-4D builds on the technology that has made the RS-4 a force to be reckoned with on the racetrack, enhancing it's rock solid performance. By increasing the amount of open area at the ...


 
Akrapovic Slip-On Line Titanium Exhaust With Spark Arrestor
Our Price:  $489.99 - $709.99

New!  Akrapovic Slip-On Line Titanium Exhaust With Spark Arrestor

The Akrapovič Slip-On line represents the first step in exhaust system tuning. It is simple to install and replaces a stock muffler. It is also the best compromise between price and performance. With the ...


 
FMF Factory 4.1 RCT Slip-On Exhaust - Natural Titanium
SALE! Save 10%!
Our Price:  $449.99
Retail Price:  $499.99
You Save:  $50.00

FMF Factory 4.1 RCT Slip-On Exhaust - Natural Titanium

The Factory 4.1 RCT incorporates the latest in FMF Resonance Chamber Technology™ both internally and externally. It starts at the center with a new core - a patent pending shape enhances and refines the ...


 
FMF Factory 4.1 RCT Slip-On Exhaust - Blue Anodized Titanium Dual With Carbon Fiber End Caps
SALE! Save 10%!
Our Price:  $629.99
Retail Price:  $699.99
You Save:  $70.00

FMF Factory 4.1 RCT Slip-On Exhaust - Blue Anodized Titanium Dual With Carbon Fiber End Caps

The Factory 4.1 RCT incorporates the latest in FMF Resonance Chamber Technology™ both internally and externally. It starts at the center with a new core - a patent pending shape enhances and refines the ...


 
FMF Factory 4.1 RCT Complete Exhaust - Blue Anodized Titanium With Megabomb Header And Carbon Fiber End Cap
SALE! Save 10%!
Our Price:  $809.99
Retail Price:  $899.99
You Save:  $90.00

FMF Factory 4.1 RCT Complete Exhaust - Blue Anodized Titanium With Megabomb Header And Carbon Fiber End Cap

The FMF Factory 4.1 RCT Complete Exhaust - Blue Anodized Titanium With MegaBomb Header And Carbon Fiber End Cap includes the following: FMF Factory 4.1 RCT Complete Exhaust: ...


 
FMF Factory 4.1 RCT Complete Exhaust - Blue Anodized Titanium Dual With Megabomb Header And Carbon Fiber End Caps
SALE! Save 10%!
Our Price:  $899.99
Retail Price:  $999.99
You Save:  $100.00

FMF Factory 4.1 RCT Complete Exhaust - Blue Anodized Titanium Dual With Megabomb Header And Carbon Fiber End Caps

The FMF Factory 4.1 RCT Complete Exhaust - Blue Anodized Titanium Dual With MegaBomb Header And Carbon Fiber End Caps includes the following: FMF Factory 4.1 RCT Complete Exhaust: ...


 
FMF Factory 4.1 RCT Complete Exhaust - Natural Titanium With Megabomb Header
SALE! Save 9%!
Our Price:  $769.99
Retail Price:  $849.99
You Save:  $80.00

FMF Factory 4.1 RCT Complete Exhaust - Natural Titanium With Megabomb Header

The FMF Factory 4.1 RCT Complete Exhaust - Natural Titanium With MegaBomb Header includes the following: FMF Factory 4.1 RCT Complete Exhaust: The Factory 4.1 RCT ...


 
FMF Factory 4.1 RCT Complete Exhaust - Blue Anodized Titanium With Megabomb Header
SALE! Save 9%!
Our Price:  $769.99
Retail Price:  $849.99
You Save:  $80.00

FMF Factory 4.1 RCT Complete Exhaust - Blue Anodized Titanium With Megabomb Header

The FMF Factory 4.1 RCT Complete Exhaust - Blue Anodized Titanium With MegaBomb Header includes the following: FMF Factory 4.1 RCT Complete Exhaust: The Factory 4.1 ...


 
FMF Factory 4.1 RCT Complete Dual Exhaust - Aluminum With Stainless Steel Megabomb Header And Carbon Fiber End Caps
SALE! Save 10%!
Our Price:  $719.99
Retail Price:  $799.99
You Save:  $80.00

FMF Factory 4.1 RCT Complete Dual Exhaust - Aluminum With Stainless Steel Megabomb Header And Carbon Fiber End Caps

The FMF Aluminum Factory 4.1 RCT Complete Dual Exhaust With Stainless Steel MegaBomb Header And Carbon Fiber End Caps includes the following: FMF Factory 4.1 RCT Complete Dual Exhaust: ...


 
Akrapovic Racing Line Titanium Standard Muffler System
Our Price:  $859.99 - $899.99

New!  Akrapovic Racing Line Titanium Standard Muffler System

This is a complete high-quality stainless steel exhaust system made from conical tubes with precision handcrafting and attention to detail. Its unique design enables it to obtain the maximum output for each specific model ...


 
Akrapovic Evolution Carbon Fiber Hex System
Our Price:  $879.99 - $919.99

Akrapovic Evolution Carbon Fiber Hex System

Perforated inner sleeve and inlet cap are all made of titanium Flared or conical link pipe is made of titanium and welded to the muffler Hexagonal mufflers feature ...


 
Akrapovic Evolution SXS Muffler with Spark Arrestor
Our Price:  $689.99

Akrapovic Evolution SXS Muffler with Spark Arrestor

Whether you're racing or just out on a casual ride you could always use more power, with this Akrapovic SXS Slip-On Muffler with Spark Arrestor you will not only get a lighter stronger header ...


 
Akrapovic Evolution Titanium Hex System With Spark Arrestor
Our Price:  $749.99 - $1549.99

New!  Akrapovic Evolution Titanium Hex System With Spark Arrestor

This is the flagship of the Akrapovič exhaust system range, used and tested by the top factory teams in motorsport racing. It is simply the finest exhaust system available. Each model is unique and ...


 
Akrapovic Evolution Titanium Hex System
Our Price:  $749.99 - $979.99

New!  Akrapovic Evolution Titanium Hex System

This is the flagship of the Akrapovič exhaust system range, used and tested by the top factory teams in motorsport racing. It is simply the finest exhaust system available. Each model is unique and ...


 
Akrapovic Slip-On Line Titanium Exhaust
Our Price:  $689.99

New!  Akrapovic Slip-On Line Titanium Exhaust

This is the flagship of the Akrapovič exhaust system range, used and tested by the top factory teams in motorsport racing. It is simply the finest exhaust system available. Each model is unique and ...


 
FMF Factory 4.1 RCT Slip-On Exhaust - Titanium With Carbon Fiber End Cap
SALE! Save 9%!
Our Price:  $499.99
Retail Price:  $549.99
You Save:  $50.00

FMF Factory 4.1 RCT Slip-On Exhaust - Titanium With Carbon Fiber End Cap

The Factory 4.1 RCT incorporates the latest in FMF Resonance Chamber Technology™ both internally and externally. It starts at the center with a new core - a patent pending shape enhances and refines the ...


 
Akrapovic Racing Line Stainless Steel Hex System
Our Price:  $669.99 - $829.99

Akrapovic Racing Line Stainless Steel Hex System

Same as the Evolution system, only constructed with stainless steel. Connected with a sleeve joint held together with a silicon-shielded tensioning spring. Hexagonal mufflers feature a carbon-fiber outlet ...


 
Pro Circuit TI-4 Slip-On Exhaust - Titanium 98dB
SALE! Save 9%!
Our Price:  $499.99
Retail Price:  $549.99
You Save:  $50.00

Pro Circuit TI-4 Slip-On Exhaust - Titanium 98dB

If you're looking for increased performance, there is no faster (or less expensive) way to get it than a Pro Circuit Slip-On silencer. The Ti-4 Slip-On raises the standard of excellence in both appearance ...


 
FMF Titanium Powercore Slip-On Exhaust - Natural
SALE! Save 9%!
Our Price:  $319.99
Retail Price:  $349.99
You Save:  $30.00

FMF Titanium Powercore Slip-On Exhaust - Natural

Titanium Powercore has all the same great features of the 4.1 system at an unbelievable list price. Constructed of military grade titanium. Sound levels are kept to 100db ...


 
FMF Powercore Slip-On Exhaust - Natural Titanium
SALE! Save 9%!
Our Price:  $319.99
Retail Price:  $349.99
You Save:  $30.00

FMF Powercore Slip-On Exhaust - Natural Titanium

The FMF Titanium PowerCore slip-on exhaust is one of the best values in performance mufflers by offering power gain and race looks for less. The FMF Titanium PowerCore features a ...


 
Yoshimura RS-4 Pro Series Full System Exhaust - Titanium/Titanium
SALE! Save 10%!
Our Price:  $849.99
Retail Price:  $945.99
You Save:  $96.00

Yoshimura RS-4 Pro Series Full System Exhaust - Titanium/Titanium

The RS-4 is a unique design with predicated power, a side benefit of a quiet earthy exhaust note that speaks volumes for performance. It's the choice exhaust of the Rockstar Makita Suzuki Yoshimura Supercross ...


 
Akrapovic Slip-On Line Stainless Steel
Our Price:  $419.99 - $499.99

Akrapovic Slip-On Line Stainless Steel

The Akrapovic Slip-On system is designed for recreational riders. It delivers an excellent combination of quality, durability, performance, visual enhancements, easy installation, and affordability. The muffler clamp is made from ...


 
FMF Factory 4.1 RCT Slip-On Exhaust - Blue Anodized Titanium
Our Price:  $449.99 - $499.99

FMF Factory 4.1 RCT Slip-On Exhaust - Blue Anodized Titanium

The Factory 4.1 RCT incorporates the latest in FMF Resonance Chamber Technology™ both internally and externally. It starts at the center with a new core - a patent pending shape enhances and refines the ...


 
Yoshimura RS-3 Comp Series Full System Exhaust - Aluminum
SALE! Save 9%!
Our Price:  $539.99
Retail Price:  $595.99
You Save:  $56.00

Yoshimura RS-3 Comp Series Full System Exhaust - Aluminum

Add some fire to your rides with Yoshimura's Full System Comp Series RS-3 exhaust, specially designed for off-road. This Full System includes: Stainless steel header and mid-pipe. ...


 
Akrapovic Slip-On Line Stainless Steel Spark Arrestor
Our Price:  $419.99

Akrapovic Slip-On Line Stainless Steel Spark Arrestor

The Akrapovic Slip-On system is designed for recreational riders. It delivers an excellent combination of quality, durability, performance, visual enhancements, easy installation, and affordability. It includes an approved spark arrester for use ...


 
FMF Factory 4.1 RCT Slip-On Dual Exhaust - Aluminum With Stainless Steel Mid Pipe And Carbon Fiber End Caps
SALE! Save 10%!
Our Price:  $539.99
Retail Price:  $599.99
You Save:  $60.00

FMF Factory 4.1 RCT Slip-On Dual Exhaust - Aluminum With Stainless Steel Mid Pipe And Carbon Fiber End Caps

The Factory 4.1 RCT incorporates the latest in FMF Resonance Chamber Technology™ both internally and externally. It starts at the center with a new core - a patent pending shape enhances and refines the ...


 
FMF Titanium Powercore Slip-On Exhaust - Natural Titanium Single
SALE! Save 9%!
Our Price:  $319.99
Retail Price:  $349.99
You Save:  $30.00
Rating: 

FMF Titanium Powercore Slip-On Exhaust - Natural Titanium Single

The FMF Titanium Powercore slip-on exhaust is one of the best values in performance mufflers by offering power gain and race looks for less. The FMF Titanium Powercore ...


 
Yoshimura RS-4 Comp Series Full System Exhaust - Titanium
SALE! Save 10%!
Our Price:  $869.99
Retail Price:  $965.99
You Save:  $96.00

Yoshimura RS-4 Comp Series Full System Exhaust - Titanium

The RMX450Z off-road bike is bred from the race winning RM-Z450 motocrosser, but the RMX450Z is a fuel-injected torque monster built to perform on the trails. Add a Yoshimura exhaust into the mix, and ...


 
Akrapovic Racing Line Titanium Oval System With Spark Arrestor
Our Price:  $799.99 - $899.99

New!  Akrapovic Racing Line Titanium Oval System With Spark Arrestor

This is a complete high-quality stainless steel exhaust system made from conical tubes with precision handcrafting and attention to detail. Its unique design enables it to obtain the maximum output for each specific model ...


 
Akrapovic Evolution Titanium Standard Muffler System
Our Price:  $854.99

New!  Akrapovic Evolution Titanium Standard Muffler System

This is the flagship of the Akrapovič exhaust system range, used and tested by the top factory teams in motorsport racing. It is simply the finest exhaust system available. Each model is unique and ...


 
Yoshimura RS-9D Full System Dual Exhaust - Titanium/Carbon Fiber
SALE! Save 10%!
Our Price:  $1349.99
Retail Price:  $1494.99
You Save:  $145.00

Yoshimura RS-9D Full System Dual Exhaust - Titanium/Carbon Fiber

The dual-muffler configuration on the redesigned 2013 CRF450R gave Yoshimura the opportunity to create an entirely new muffler, specifically built for the CRF450R. Yoshimura worked in secret with Top AMA Pro Riders: Jeremy McGrath, ...


 
Akrapovic Evolution Titanium Oval System
Our Price:  $854.99

New!  Akrapovic Evolution Titanium Oval System

This is the flagship of the Akrapovič exhaust system range, used and tested by the top factory teams in motorsport racing. It is simply the finest exhaust system available. Each model is unique and ...


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Most Recent 4-Stroke Exhausts Reviews

FMF Titanium Powercore Slip-On Exhaust - Natural Titanium FMF Titanium Powercore Slip-On Exhaust - Natural Titanium FMF Titanium Powercore Slip-On Exhaust - Natural Titanium Mark (Southeast Missouri) FMF is the only pipe to get. "Installed on my CRF 250X. Now t sounds great and there s definitely a noticeable power ..." "Installed on my CRF 250X. Now it sounds great and there is definitely a noticeable power improvement."
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Two Brothers M-7 Slip-On Exhaust Two Brothers M-7 Slip-On Exhaust Two Brothers M-7 Slip-On Exhaust CanAMMan1234 (Shawnee, OK, USA) Love this product and the company. "I own everal ATVs and this is the best muffler ever. I have it on all of my ATVs and it ..." "I own several ATVs and this is the best muffler ever. I have it on all of my ATVs and it sounds great and looks great. One of the best company's to buy from."
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Yoshimura RS-2 Comp Series Full System Exhaust Yoshimura RS-2 Comp Series Full System Exhaust Yoshimura RS-2 Comp Series Full System Exhaust jarhed455 (New Martinsville, WV) excellent fit and performance "This exhaust bolts up perfect and looks great. There is less muffler hanging out past the ..." "This exhaust bolts up perfect and looks great. There is less muffler hanging out past the side number plate. I did lose a little bit of low end on my CRF 450R but, I gained alot on midrange and top end. I am very pleased with this system. Thanx Motosport!!!!!"
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FMF Powerbomb Header - Stainless Steel FMF Powerbomb Header - Stainless Steel FMF Powerbomb Header - Stainless Steel 450dirtscoot (Spokane, WA, USA) power bomb ss "great header matched it up with my pc4 in ss. power builds very fast and revs out like it ..." "great header matched it up with my pc4 in ss. power builds very fast and revs out like it stats best of both worlds get long and short header power bans in one header."
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FMF Megabomb Header - Stainless Steel FMF Megabomb Header - Stainless Steel FMF Megabomb Header - Stainless Steel Doonlavy07crf250r (Ohio, USA) Awesome power "I would have to say I was skeptic about this product. I installed it on my 07 crf250r and ..." "I would have to say I was skeptic about this product. I installed it on my 07 crf250r and at first I was concerned. The installation of was not bad until I had to place the mid pipe onto the Megabomb. The inner gasket had to be removed in order for them to connect. Therefore leaving metal on metal contact and a loose fitting. I applied high temp gasket silicone to the connections to fill the gaps and tightened the clamp to the max. Solid connection so far. The bad thing about this product that must be said is that it will GLOW RED HOT. When first installed and running at idle for about 4minutes, It began to glow hot at the header connection. After a few rides it became tolerable and less noticeable. I would recommend a heat shield, but can be rode comfortably without. On the plus side, this pipe rocks! You will notice a different in engine response and overall performance through each gear. Well worth the price for the extra boost, plus it's FMF, so you know it's great quality. Buy it."
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BBR D2 Exhaust System - Silver BBR D2 Exhaust System - Silver BBR D2 Exhaust System - Silver JROCK (Hawaii, USA) crf 100f bbr d2 "it is a awesome exhaust system. has a great sound and a increase in thr power band. Can ..." "it is a awesome exhaust system. has a great sound and a increase in thr power band. Can bet a kx 100 two stroke any day. I raced my friend."
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