Memorial Day Sale New Markdowns Added - Up To 70% Off Parts and Gear Shop Now
CLOSE
Shipping to US Flag United States
Free shipping over $79
NEW Discounts on Fox Racing Get Up To 30% Off Select Fox Racing Gear Shop Now

4-Stroke Dirt Bike Exhaust

We don't have results for the selected store. However, here are results for the rest of our site.

Refine

136 Results

New

FMF
Factory 4.1 RCT Complete Exhaust With Stainless Megabomb

$832.99 - $1056.99
Sale
Up to 10%
5 out of 5 stars (6) reviews

Pro Circuit
T-6 Full-System Exhaust

$419.36 - $445.46
Sale
Up to 10%
5 out of 5 stars (4) reviews

KTM PowerParts
FMF Factory 4.1 RCT Muffler

$674.99 - $854.99
5 out of 5 stars (2) reviews

FMF
Factory 4.1 Full System Exhaust - Mini

$368.99 - $413.99
Sale
Up to 10%
5 out of 5 stars (1) review

Pro Circuit
T-6 Complete Exhaust - Dual

$963.86 - $1079.96
Sale
Up to 10%
5 out of 5 stars (1) review

Yoshimura
RS-3 Comp Series Full System Exhaust

$589.00 - $609.00
5 out of 5 stars (21) reviews
Video Available

Pro Circuit
TI-4 Slip-On Exhaust

$543.99 - $627.99
Sale
Up to 10%
5 out of 5 stars (2) reviews

KTM PowerParts
FMF Powercore 4 Silencer

$399.99 - $549.99
5 out of 5 stars (4) reviews

Yoshimura
RS-2 Slip-On Exhaust

$459.00 - $499.00
5 out of 5 stars (1) review
Video Available

Pro Circuit
Ti-5 Carbon End Cap

$108.86
Sale
Save 10%
5 out of 5 stars (3) reviews

Pro Circuit
T-4 GP Complete Exhaust

$857.99 - $891.99
Sale
Up to 10%
5 out of 5 stars (6) reviews

Yoshimura
RS-9D Slip-On Exhaust - Dual

$799.00 - $919.00
5 out of 5 stars (3) reviews
Video Available

Fastway
Replacement Spark Arrestor Screen

$14.95 - $14.99
5 out of 5 stars (1) review

Big Gun
Evo X Complete Exhaust

$345.14
Sale
Save 10%
5 out of 5 stars (1) review

Pro Circuit
Stainless Steel Modular End Cap

$32.36
Sale
Save 10%
5 out of 5 stars (2) reviews

Pro Circuit
Ti-6 Complete Exhaust - Dual

$1438.99 - $1656.99
Sale
Up to 10%
5 out of 5 stars (3) reviews

Pro Circuit
T-5 Complete Exhaust

$891.99 - $980.99
Sale
Up to 10%
5 out of 5 stars (2) reviews

Pro Circuit
TI-4 GP Complete Exhaust

$485.99 - $1085.99
Sale
Up to 10%
5 out of 5 stars (1) review

Pro Circuit
T-4R GP Complete Exhaust

$891.99
Sale
Save 10%
5 out of 5 stars (5) reviews

Pro Circuit
Stainless Steel New End Cap

$37.76
Sale
Save 10%
5 out of 5 stars (2) reviews

Yoshimura
TRS Comp Series Complete Exhaust With Stainless Header

$409.00 - $419.00
5 out of 5 stars (5) reviews
Video Available

Pro Circuit
Ti-5 Complete Exhaust

$1142.99
Sale
Save 10%
5 out of 5 stars (2) reviews
Video Available

FMF
Megabomb Header With Mid Pipe - Titanium

$472.49 - $539.99
Sale
Up to 10%
5 out of 5 stars (5) reviews

Leo Vince
X3 Enduro Slip-On Exhaust

$474.95
Sale
Save 5%
5 out of 5 stars (2) reviews

KTM PowerParts
FMF Megabomb Plus Header

$374.99 - $474.99
5 out of 5 stars (2) reviews

Pro Circuit
T-4 Slip-On Exhaust - Dual Without Midpipe

$599.99
Sale
Save 10%
5 out of 5 stars (3) reviews

Akrapovic
Racing Full System Exhaust With Spark Arrestor

$705.80 - $1155.56
Sale
Up to 10%
5 out of 5 stars (2) reviews

Pro Circuit
Ti-4R / GP Headpipe

$347.99
Sale
Save 10%
5 out of 5 stars (1) review

Akrapovic
Evolution Titanium Full System Exhaust With Spark Arrestor

$1207.76 - $1621.76
Sale
Up to 10%
5 out of 5 stars (1) review

Yoshimura
RS-4 Titanium Full System Exhaust

$398.05 - $1177.05
Sale
Up to 9%
5 out of 5 stars (10) reviews

Yoshimura
RS-4 Pro Series Titanium Full System Exhaust

$1253.05
Sale
Save 5%
5 out of 5 stars (1) review
Video Available

KTM PowerParts
Akrapovic Factory Silencer

$649.99 - $734.99
5 out of 5 stars (2) reviews

Pro Circuit
Ti-4 Head Pipe

$314.99
Sale
Save 10%
5 out of 5 stars (1) review

Fastway
Ultra Silent Insert

$51.95
5 out of 5 stars (2) reviews

Fastway
Silent Insert

$27.77 - $51.95
Clearance
Up to 38%
5 out of 5 stars (1) review

Yoshimura
Quiet Insert - RS-2

$32.25 - $35.95
Sale
Up to 10%
5 out of 5 stars (2) reviews
New

Pro Circuit
T-6 Complete Exhaust

$399.56 - $1043.96
Sale
Up to 10%
5 out of 5 stars (13) reviews
New

Pro Circuit
Ti-6 Complete Exhaust

$1015.77 - $1273.46
Sale
Up to 20%
5 out of 5 stars (13) reviews

Pro Circuit
T-4 Complete Exhaust System

$286.16 - $891.99
Sale
Up to 10%
5 out of 5 stars (63) reviews
New

Yoshimura
RS-4 Slip-On Exhaust

$419.00 - $669.00
Sale
Up to 10%
5 out of 5 stars (17) reviews
Video Available

Yoshimura
RS-2 Comp Series Slip-On Exhaust

$389.00 - $509.00
5 out of 5 stars (22) reviews
Video Available

Yoshimura
RS-4 Comp Series Slip-On Exhaust With Carbon Fiber End Cap

$469.00 - $529.00
5 out of 5 stars (20) reviews

Yoshimura
RS-9T Slip-On Exhaust - Dual

$839.00 - $859.00
5 out of 5 stars (6) reviews

FMF
Powercore 4 Complete Exhaust With Stainless Hi-Flo Header

$242.99 - $269.99
Sale
Up to 10%
5 out of 5 stars (56) reviews
New

FMF
Factory 4.1 RCT Slip-On Exhaust

$449.99 - $809.99
Sale
Up to 10%
5 out of 5 stars (139) reviews

FMF
Powercore 4 Slip-On Exhaust - 4-Stroke

$188.99 - $359.99
Sale
Up to 10%
5 out of 5 stars (187) reviews

FMF
Powercore 4 Complete Race Exhaust Stainless Hi-Flo Header

$251.99
Sale
Save 10%
5 out of 5 stars (67) reviews
New

FMF
Factory 4.1 RCT Complete Exhaust With Titanium Megabomb

$989.99 - $1237.99
Sale
Up to 10%
4.5 out of 5 stars (17) reviews

FMF
Factory 4.1 RCT Full Exhaust System

$764.98 - $1308.98
Sale
Up to 10%
4.5 out of 5 stars (7) reviews

Yoshimura
RS-2 Comp Series Full System Exhaust

$449.00 - $799.00
Sale
Up to 14%
4.5 out of 5 stars (79) reviews
Video Available

Pro Circuit
Ti-4R Complete Exhaust

$1142.99
Sale
Save 10%
4.5 out of 5 stars (6) reviews
New

FMF
Q4 Hex Spark Arrestor Slip-On Exhaust

$350.99 - $512.99
Sale
Up to 10%
4.5 out of 5 stars (38) reviews

Yoshimura
RS-4 Full System Exhaust

$590.59 - $799.00
Sale
Up to 9%
4.5 out of 5 stars (37) reviews

FMF
Powerbomb Header - Stainless Steel - Motocross

$224.99
Sale
Save 10%
4.5 out of 5 stars (20) reviews
New

Pro Circuit
Ti-6 Pro Complete Exhaust

$1142.96 - $1273.46
Sale
Up to 10%
4.5 out of 5 stars (11) reviews

Pro Circuit
Spark Arrestor Screen

$21.56
Sale
Save 10%
4.5 out of 5 stars (11) reviews

4 Stroke Exhaust

The 4-stroke dirt bike remains the most popular and widely used by enthusiasts on the track or trails as pro racing fully embraced the 4-stroke engine years ago. As such, owners of a new 4-stroke dirt bike, regardless of manufacturer, often make their first investment in the exhaust system.

MotoSport carries the industry's best aftermarket 4-stroke dirt bike exhaust in your choice of a complete system, slip-on, spark arrestor or just the mid pipe or head pipe if necessary. We also carry 4-stroke end caps and exhaust inserts. Check out some of the more popular brands in our line of 4-stroke exhausts by manufacturer:

Name your bike's make, model and year and we carry an aftermarket 4-stroke exhaust for your ride. So, if you want more power, performance and that deep throaty sound trust MotoSport to stock the 4-stroke dirt bike exhaust system to take your bike to the next level. If you have questions or want more information, give one of our gearheads a call at 1-888-676-8853 and get the answers you need to make an informed buying decision.

MotoSport delivers all 4-stroke exhausts fast and orders more than $79 ship free.