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4-Stroke Exhaust Systems

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DR.D NS-4 Stainless Steel Complete Exhaust With Carbon Fiber Can - 4-Stroke Exhaust Systems
DR.D NS-4 Stainless Steel Complete Exhaust With Carbon Fiber Can
Price: $539.99 - $719.99
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KTM Akrapovic Titanium Silencer - 4-Stroke Exhaust Systems
KTM Akrapovic Titanium Silencer
Price: $499.99 - $757.13
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Akrapovic Slip-On Line Titanium Exhaust With Spark Arrestor - 4-Stroke Exhaust Systems
New!  Akrapovic Slip-On Line Titanium Exhaust With Spark Arrestor
Price: $489.99 - $709.99
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SALE! Save 10%!
FMF Factory 4.1 RCT Slip-On Exhaust - Natural Titanium - 4-Stroke Exhaust Systems
FMF Factory 4.1 RCT Slip-On Exhaust - Natural Titanium
Price: $449.99
You Save: $50.00
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SALE! Save 9%!
FMF Factory 4.1 RCT Slip-On Exhaust - Titanium With Carbon Fiber End Cap - 4-Stroke Exhaust Systems
FMF Factory 4.1 RCT Slip-On Exhaust - Titanium With Carbon Fiber End Cap
Price: $499.99
You Save: $50.00
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FMF Factory 4.1 RCT Stainless Steel Slip-On Exhaust - Blue - 4-Stroke Exhaust Systems
FMF Factory 4.1 RCT Stainless Steel Slip-On Exhaust - Blue
Price: $394.99 - $409.99
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SALE! Save 9%!
Pro Circuit TI-4 Slip-On Exhaust - Titanium 98dB - 4-Stroke Exhaust Systems
Pro Circuit TI-4 Slip-On Exhaust - Titanium 98dB
Price: $499.99
You Save: $50.00
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Akrapovic Slip-On Line Stainless Steel - 4-Stroke Exhaust Systems
Akrapovic Slip-On Line Stainless Steel
Price: $419.99 - $499.99
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FMF Factory 4.1 RCT Slip-On Exhaust - Blue Anodized Titanium - 4-Stroke Exhaust Systems
FMF Factory 4.1 RCT Slip-On Exhaust - Blue Anodized Titanium
Price: $449.99 - $499.99
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SALE! Save 9%!
Yoshimura RS-3 Comp Series Full System Exhaust - Aluminum - 4-Stroke Exhaust Systems
Yoshimura RS-3 Comp Series Full System Exhaust - Aluminum
Price: $539.99
You Save: $56.00
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Akrapovic Slip-On Line Stainless Steel Spark Arrestor - 4-Stroke Exhaust Systems
Akrapovic Slip-On Line Stainless Steel Spark Arrestor
Price: $419.99
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FMF Factory 4.1 RCT Slip-On Dual Exhaust - Aluminum With Stainless Steel Mid Pipe And Carbon Fiber End Caps - 4-Stroke Exhaust Systems
FMF Factory 4.1 RCT Slip-On Dual Exhaust - Aluminum With Stainless Steel Mid Pipe And Carbon Fiber End Caps
Price: $539.99
You Save: $60.00
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Yoshimura RS-4 Slip-On Exhaust - Stainless Steel - 4-Stroke Exhaust Systems
Yoshimura RS-4 Slip-On Exhaust - Stainless Steel
Price: $359.99 - $529.99
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Yoshimura RS-3 Comp Series Slip-On Dual Exhaust - Stainless/Aluminum - 4-Stroke Exhaust Systems
Yoshimura RS-3 Comp Series Slip-On Dual Exhaust - Stainless/Aluminum
Price: $409.99
You Save: $36.00
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Yoshimura TRC Comp Series Full System Exhaust - Aluminum - 4-Stroke Exhaust Systems
Yoshimura TRC Comp Series Full System Exhaust - Aluminum
Price: $499.99
You Save: $46.00
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FMF Factory 4.1 RCT Slip-On Exhaust - Natural Titanium With Titanium Mid Pipe - 4-Stroke Exhaust Systems
FMF Factory 4.1 RCT Slip-On Exhaust - Natural Titanium With Titanium Mid Pipe
Price: $409.99 - $469.99
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Vance & Hines Titanium Pro Slip-On Exhaust - 4-Stroke Exhaust Systems
Vance & Hines Titanium Pro Slip-On Exhaust
Price: $549.99
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Yoshimura RS-3 Comp Series Full System Exhaust - Stainless Steel - 4-Stroke Exhaust Systems
Yoshimura RS-3 Comp Series Full System Exhaust - Stainless Steel
Price: $479.99 - $539.99
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GYTR Stainless Steel/Aluminum Oval Muffler - 4-Stroke Exhaust Systems
GYTR Stainless Steel/Aluminum Oval Muffler
Price: $493.21
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GYTR Quiet Slip-on Muffler - 4-Stroke Exhaust Systems
GYTR Quiet Slip-on Muffler
Price: $489.70 - $494.50
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GYTR FMF Factory 4.1 Muffler - 4-Stroke Exhaust Systems
GYTR FMF Factory 4.1 Muffler
Price: $514.27
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GYTR Replacement Slip-On Muffler Aluminum - 4-Stroke Exhaust Systems
GYTR Replacement Slip-On Muffler Aluminum
Price: $429.81 - $468.69
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GYTR FMF Factory 4.1 Special Edition Muffler - 4-Stroke Exhaust Systems
GYTR FMF Factory 4.1 Special Edition Muffler
Price: $514.27 - $565.70
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Two Brothers M-7 Slip-On Exhaust - Carbon Fiber - 4-Stroke Exhaust Systems
Two Brothers M-7 Slip-On Exhaust - Carbon Fiber
Price: $469.99
You Save: $80.00
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Two Brothers M-7 Complete Carbon Fiber Exhaust - 4-Stroke Exhaust Systems
Two Brothers M-7 Complete Carbon Fiber Exhaust
Price: $554.99
You Save: $95.00
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Yoshimura RS-2 Comp Series Full System Exhaust - Stainless/Carbon Fiber - 4-Stroke Exhaust Systems
Yoshimura RS-2 Comp Series Full System Exhaust - Stainless/Carbon Fiber
Price: $269.99 - $569.99
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DR.D NS-4 Titanium Slip-On Exhaust With Titanium Can - 4-Stroke Exhaust Systems
DR.D NS-4 Titanium Slip-On Exhaust With Titanium Can
Price: $539.99 - $629.99
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DR.D NS-4 Stainless Steel Slip-On Exhaust With Carbon Fiber Can - 4-Stroke Exhaust Systems
DR.D NS-4 Stainless Steel Slip-On Exhaust With Carbon Fiber Can
Price: $539.99 - $639.99
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FMF Factory 4.1 Titanium Slip-On RCT - Carbon Fiber - 4-Stroke Exhaust Systems
FMF Factory 4.1 Titanium Slip-On RCT - Carbon Fiber
Price: $469.99 - $559.99
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DR.D NS-4 Stainless Steel Complete Exhaust With Aluminum Can - 4-Stroke Exhaust Systems
DR.D NS-4 Stainless Steel Complete Exhaust With Aluminum Can
Price: $409.99 - $529.99
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FMF Apex Slip-On Exhaust - Carbon Fiber - 4-Stroke Exhaust Systems
FMF Apex Slip-On Exhaust - Carbon Fiber
Price: $381.99 - $989.99
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FMF Aluminum Factory 4.1 RCT Stainless Steel Slip-On Exhaust With Carbon Fiber End Cap - 4-Stroke Exhaust Systems
FMF Aluminum Factory 4.1 RCT Stainless Steel Slip-On Exhaust With Carbon Fiber End Cap
Price: $374.99 - $409.99
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SALE! Save 10%!
Pro Circuit T-5 Slip-On Exhaust - 4-Stroke Exhaust Systems
Pro Circuit T-5 Slip-On Exhaust
Price: $419.99
You Save: $44.96
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Pro Circuit T-4 Complete Exhaust System - 4-Stroke Exhaust Systems
Pro Circuit T-4 Complete Exhaust System
Price: $229.99 - $629.99
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BBR D2 Exhaust System - Silver - 4-Stroke Exhaust Systems
BBR D2 Exhaust System - Silver
Price: $269.99 - $469.99
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Yoshimura RS-4 Comp Series Full System Exhaust - Stainless/Aluminum - 4-Stroke Exhaust Systems
Yoshimura RS-4 Comp Series Full System Exhaust - Stainless/Aluminum
Price: $539.99 - $719.99
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SALE! Save 6%!
FMF Factory 4.1 RCT Slip-On Exhaust - Blue Anodized Titanium With Titanium Mid Pipe - 4-Stroke Exhaust Systems
FMF Factory 4.1 RCT Slip-On Exhaust - Blue Anodized Titanium With Titanium Mid Pipe
Price: $469.99
You Save: $30.00
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FMF Factory 4.1 Titanium Slip-On RCT - Blue - 4-Stroke Exhaust Systems
FMF Factory 4.1 Titanium Slip-On RCT - Blue
Price: $409.99 - $499.99
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FMF Apex Slip-On Exhaust - Titanium - 4-Stroke Exhaust Systems
FMF Apex Slip-On Exhaust - Titanium
Price: $359.99 - $989.99
FREE Shipping
FMF Factory 4.1 Titanium Slip-On RCT - Natural - 4-Stroke Exhaust Systems
FMF Factory 4.1 Titanium Slip-On RCT - Natural
Price: $409.99 - $499.99
FREE Shipping
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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."
 See all reviews for this product [+] Expand Article [-] Collapse Article
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."
 See all reviews for this product [+] Expand Article [-] Collapse Article
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!!!!!"
 See all reviews for this product [+] Expand Article [-] Collapse Article
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."
 See all reviews for this product [+] Expand Article [-] Collapse Article
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."
 See all reviews for this product [+] Expand Article [-] Collapse Article