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4-Stroke Exhaust

4-Stroke Exhaust Systems for Power and Sound

137 Items
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Pro Circuit - Ti-6 Titanium Exhaust System (Kawasaki)Pro Circuit - Ti-6 Titanium Exhaust System (Kawasaki) - alternate view
Limited Time Deal
Pro Circuit - Ti-6 Titanium Exhaust System (Kawasaki)
Price range: $1,142.95 - $1,257.25
Up to 10% OFF
FMF - KTM Factory 4.1 RCT SilencerFMF - KTM Factory 4.1 RCT Silencer - alternate view
Limited Time Deal
FMF - KTM Factory 4.1 RCT Silencer
Price range: $674.99 - $769.49
Up to 10% OFF
FMF - Factory 4.1 RCT Titanium Slip-On Exhaust (Yamaha)FMF - Factory 4.1 RCT Titanium Slip-On Exhaust (Yamaha) - alternate view
Limited Time Deal
FMF - Factory 4.1 RCT Titanium Slip-On Exhaust (Yamaha)
Price range: $719.99 - $764.99
Up to 10% OFF
FMF - Factory 4.1 RCT Titanium Slip-On Exhaust (KTM)FMF - Factory 4.1 RCT Titanium Slip-On Exhaust (KTM) - alternate view
Limited Time Deal
FMF - Factory 4.1 RCT Titanium Slip-On Exhaust (KTM)
Price range: $584.99 - $769.49
Up to 10% OFF
FMF - Megabomb Titanium Header (Yamaha)FMF - Megabomb Titanium Header (Yamaha) - alternate view
Limited Time Deal
FMF - Megabomb Titanium Header (Yamaha)
. Final price: $472.49 . Original price: $524.99
10% OFF
Pro Circuit - T-6 Stainless Exhaust System (Kawasaki)Pro Circuit - T-6 Stainless Exhaust System (Kawasaki) - alternate view
Limited Time Deal
Pro Circuit - T-6 Stainless Exhaust System (Kawasaki)
Price range: $419.35 - $980.95
Up to 10% OFF
FMF - Powercore 4 Hex Slip-on Muffler (Kawasaki)FMF - Powercore 4 Hex Slip-on Muffler (Kawasaki) - alternate view
Limited Time Deal
FMF - Powercore 4 Hex Slip-on Muffler (Kawasaki)
. Final price: $359.99 . Original price: $399.99
10% OFF
FMF - Factory 4.1 RCT Complete System (Yamaha)FMF - Factory 4.1 RCT Complete System (Yamaha) - alternate view
Limited Time Deal
FMF - Factory 4.1 RCT Complete System (Yamaha)
Price range: $967.49 - $1,237.49
Up to 10% OFF
FMF - Factory 4.1 RCT Aluminum Slip-On Exhaust w/Stainless Mid Pipe (Kawasaki)FMF - Factory 4.1 RCT Aluminum Slip-On Exhaust w/Stainless Mid Pipe (Kawasaki) - alternate view
Limited Time Deal
FMF - Factory 4.1 RCT Aluminum Slip-On Exhaust w/Stainless Mid Pipe (Kawasaki)
Price range: $368.99 - $607.49
Up to 10% OFF
Pro Circuit - Ti-6 Pro Titanium Exhaust System (Kawasaki)Pro Circuit - Ti-6 Pro Titanium Exhaust System (Kawasaki) - alternate view
Limited Time Deal
Pro Circuit - Ti-6 Pro Titanium Exhaust System (Kawasaki)
Price range: $1,142.95 - $1,257.25
Up to 10% OFF
SLP - Performance Slip-on RZR 800
SLP - Performance Slip-on RZR 800
. Final price: $419.95 . Original price:
SLP - Super Silent Muffler
SLP - Super Silent Muffler
. Final price: $479.95 . Original price: $379.95
FMF - Mini Powercore 4 Muffler KLX/DRZ 110's
Limited Time Deal
FMF - Mini Powercore 4 Muffler KLX/DRZ 110's
. Final price: $269.99 . Original price: $299.99
10% OFF
BBR - D3 Full Exhaust System (Suzuki)BBR - D3 Full Exhaust System (Suzuki) - alternate view
BBR - D3 Full Exhaust System (Suzuki)
. Final price: $399.95 . Original price:
FMF - Factory 4.1 RCT Complete System (Gas Gas)FMF - Factory 4.1 RCT Complete System (Gas Gas) - alternate view
Limited Time Deal
FMF - Factory 4.1 RCT Complete System (Gas Gas)
Price range: $944.99 - $1,196.99
Up to 10% OFF
Yoshimura - RS-12 Slip-On Exhaust (Gas Gas)
Yoshimura - RS-12 Slip-On Exhaust (Gas Gas)
. Final price: $769 . Original price: $769
Yoshimura - RS-2 Slip-On Exhaust (Suzuki)Yoshimura - RS-2 Slip-On Exhaust (Suzuki) - alternate view
Yoshimura - RS-2 Slip-On Exhaust (Suzuki)
. Final price: $599 . Original price: $599
Pro Circuit - T-6 Stainless Slip-On Exhaust (Gas Gas)Pro Circuit - T-6 Stainless Slip-On Exhaust (Gas Gas) - alternate view
Limited Time Deal
Pro Circuit - T-6 Stainless Slip-On Exhaust (Gas Gas)
Price range: $531.85 - $542.65
Up to 10% OFF
FMF - Powerbomb Headers Stainless Steel (Yamaha)
Limited Time Deal
FMF - Powerbomb Headers Stainless Steel (Yamaha)
. Final price: $224.99 . Original price: $249.99
10% OFF
Yoshimura - TRC Slip-ons (Suzuki)Yoshimura - TRC Slip-ons (Suzuki) - alternate view
Yoshimura - TRC Slip-ons (Suzuki)
Price range: $559 - $669
Yoshimura - RS-4 Full System (Kawasaki)Yoshimura - RS-4 Full System (Kawasaki) - alternate view
Yoshimura - RS-4 Full System (Kawasaki)
. Final price: $789 . Original price: $789
Pro Circuit - T-6 Stainless Exhaust System (Gas Gas)Pro Circuit - T-6 Stainless Exhaust System (Gas Gas) - alternate view
Limited Time Deal
Pro Circuit - T-6 Stainless Exhaust System (Gas Gas)
Price range: $891.85 - $902.65
Up to 10% OFF
Gas Gas - FMF Powercore 4 SilencerGas Gas - FMF Powercore 4 Silencer - alternate view
Gas Gas - FMF Powercore 4 Silencer
. Final price: $399.99 . Original price:
Yoshimura - RS-12 Slip-On Exhaust (Husqvarna)
Yoshimura - RS-12 Slip-On Exhaust (Husqvarna)
. Final price: $769 . Original price: $769
Pro Circuit - T-6 Stainless Slip-On Exhaust (Gas Gas)
Limited Time Deal
Pro Circuit - T-6 Stainless Slip-On Exhaust (Gas Gas)
. Final price: $531.86 . Original price: $590.95
10% OFF
Yoshimura - RS-9T Dual Slip-On (Honda)Yoshimura - RS-9T Dual Slip-On (Honda) - alternate view
Yoshimura - RS-9T Dual Slip-On (Honda)
Price range: $639 - $1,069
Husqvarna - FMF Powercore 4 SilencerHusqvarna - FMF Powercore 4 Silencer - alternate view
Husqvarna - FMF Powercore 4 Silencer
. Final price: $399.99 . Original price:
FMF - Megabomb Titanium Header (Suzuki)
Limited Time Deal
FMF - Megabomb Titanium Header (Suzuki)
. Final price: $427.49 . Original price: $474.99
10% OFF
Yoshimura - RS-2 Slip-On Exhaust (Kawasaki)Yoshimura - RS-2 Slip-On Exhaust (Kawasaki) - alternate view
Pro Circuit - T-6 Stainless Slip-On Exhaust (Suzuki)
Limited Time Deal
Pro Circuit - T-6 Stainless Slip-On Exhaust (Suzuki)
. Final price: $531.85 . Original price: $590.95
10% OFF
BBR - D3 Full Exhaust System (Yamaha)BBR - D3 Full Exhaust System (Yamaha) - alternate view
Limited Time Deal
BBR - D3 Full Exhaust System (Yamaha)
Price range: $386.60 - $417.95
Up to 5% OFF
Yoshimura - RS-2 Full Exhaust System (Kawasaki)Yoshimura - RS-2 Full Exhaust System (Kawasaki) - alternate view
Yoshimura - RS-2 Full Exhaust System (Kawasaki)
. Final price: $539 . Original price: $539
Pro Circuit - Ti-6 Titanium Exhaust System (Gas Gas)Pro Circuit - Ti-6 Titanium Exhaust System (Gas Gas) - alternate view
Limited Time Deal
Pro Circuit - Ti-6 Titanium Exhaust System (Gas Gas)
. Final price: $1,142.95 . Original price: $1,269.95
10% OFF
Pro Circuit -T-4 Exhaust System (Suzuki Mini Bikes)
Limited Time Deal
Pro Circuit -T-4 Exhaust System (Suzuki Mini Bikes)
Price range: $286.15 - $571.45
Up to 10% OFF
Pro Circuit - T-6 Stainless Exhaust System (Suzuki)Pro Circuit - T-6 Stainless Exhaust System (Suzuki) - alternate view
Limited Time Deal
Pro Circuit - T-6 Stainless Exhaust System (Suzuki)
. Final price: $891.86 . Original price: $990.95
10% OFF
Yoshimura - RS-4 Slip-On (Kawasaki)Yoshimura - RS-4 Slip-On (Kawasaki) - alternate view
Yoshimura - RS-4 Slip-On (Kawasaki)
Price range: $589 - $619
Yoshimura - RS-12 Full System (Gas-Gas)Yoshimura - RS-12 Full System (Gas-Gas) - alternate view
Yoshimura - RS-12 Full System (Gas-Gas)
Price range: $1,099 - $1,229
FMF - Megabomb Titanium Header (Kawasaki)FMF - Megabomb Titanium Header (Kawasaki) - alternate view
Limited Time Deal
FMF - Megabomb Titanium Header (Kawasaki)
. Final price: $427.49 . Original price: $474.99
10% OFF
Pro Circuit - Ti-6 Pro Titanium Exhaust System (Suzuki)Pro Circuit - Ti-6 Pro Titanium Exhaust System (Suzuki) - alternate view
Limited Time Deal
Pro Circuit - Ti-6 Pro Titanium Exhaust System (Suzuki)
. Final price: $1,142.95 . Original price: $1,269.95
10% OFF
GasGas - FMF Factory 4.1 RCT SilencerGasGas - FMF Factory 4.1 RCT Silencer - alternate view
GasGas - FMF Factory 4.1 RCT Silencer
. Final price: $854.99 . Original price:
FMF - Factory 4.1 RCT Titanium Slip-On Exhaust (Suzuki)
Limited Time Deal
FMF - Factory 4.1 RCT Titanium Slip-On Exhaust (Suzuki)
. Final price: $674.99 . Original price: $749.99
10% OFF
FMF - Megabomb Titanium Header (Gas Gas)FMF - Megabomb Titanium Header (Gas Gas) - alternate view
Limited Time Deal
FMF - Megabomb Titanium Header (Gas Gas)
. Final price: $427.49 . Original price: $474.99
10% OFF
Yoshimura - RS-4 Slip-On (Husqvarna)Yoshimura - RS-4 Slip-On (Husqvarna) - alternate view
FMF - Q4 Hex Slip-On Muffler (Kawasaki)FMF - Q4 Hex Slip-On Muffler (Kawasaki) - alternate view
Limited Time Deal
FMF - Q4 Hex Slip-On Muffler (Kawasaki)
. Final price: $404.99 . Original price: $449.99
10% OFF
Yoshimura - RS-4 Slip-On (Yamaha)Yoshimura - RS-4 Slip-On (Yamaha) - alternate view
Yoshimura - RS-4 Slip-On (Yamaha)
Price range: $619 - $669
Pro Circuit - Ti-6 Pro Titanium Exhaust System (Gas Gas)Pro Circuit - Ti-6 Pro Titanium Exhaust System (Gas Gas) - alternate view
Limited Time Deal
Pro Circuit - Ti-6 Pro Titanium Exhaust System (Gas Gas)
. Final price: $1,142.95 . Original price: $1,269.95
10% OFF
Pro Circuit -T-4 Exhaust System (Kawasaki Mini Bikes)
Limited Time Deal
Pro Circuit -T-4 Exhaust System (Kawasaki Mini Bikes)
. Final price: $286.15 . Original price: $317.95
10% OFF
Yoshimura - RS-12 Exhaust System - TriumphYoshimura - RS-12 Exhaust System - Triumph - alternate view
You’ve viewed 48/137 products

4-Stroke Exhaust | Full Systems & Slip-Ons for Motocross, Enduro & Dual Sport

A 4-stroke exhaust upgrade is one of the most effective ways to improve throttle response, power delivery, weight reduction, and overall ride feel. Whether you ride motocross, enduro, dual sport, or street, the right exhaust system can sharpen acceleration, improve mid-range pull, and tune sound characteristics to match your riding style. Riders can choose between full exhaust systems for maximum performance gains or slip-on mufflers for targeted improvements with easier installation.

This collection includes performance exhaust options engineered specifically for modern 4-stroke engines. These systems are built to withstand heat, vibration, and aggressive riding conditions while maintaining proper fitment and reliable performance.

4-Stroke Dirt Bike Exhaust Systems

Motocross and off-road 4-stroke exhausts focus on power optimization and weight savings. Full systems typically replace the head pipe and muffler for the greatest performance gain, while slip-ons offer a simpler upgrade path with noticeable improvements in sound and throttle response.

Browse race-ready options in 4-stroke dirt bike exhausts, featuring systems designed for MX tracks, trail riding, and enduro terrain.

Top Performance Exhaust Brands

Proven exhaust manufacturers design systems around specific engine platforms to ensure proper power curves and durability. Riders can explore premium options from FMF 4-stroke exhausts, Yoshimura 4-stroke exhausts, and Pro Circuit 4-stroke exhausts, all known for race-tested performance and precise fitment.

OEM-Specific 4-Stroke Exhaust Options

Some riders prefer exhaust systems engineered specifically for their bike’s platform. Brand-matched options are available in Husqvarna 4-stroke exhausts and KTM PowerParts 4-stroke exhausts, ensuring compatibility and performance aligned with factory specifications.

Street & ATV 4-Stroke Exhausts

4-stroke exhaust upgrades are not limited to dirt bikes. Street riders can improve sound, weight, and flow characteristics with street bike 4-stroke exhausts, while utility and sport riders can find durable systems in ATV 4-stroke exhausts designed for off-road abuse and long service life.

Why Upgrade a 4-Stroke Exhaust

  • Improved power delivery: Optimized flow enhances throttle response and mid-range pull.
  • Weight reduction: Aftermarket systems are often lighter than stock exhausts.
  • Sound tuning: Choose a tone that matches your riding preference.
  • Bike-specific fitment: Systems are engineered for proper clearance and performance.

A properly matched 4-stroke exhaust transforms how your bike responds on the track, trail, or street. Use the collections above to compare full systems and slip-ons and choose a performance exhaust that fits your engine platform, riding environment, and performance goals.