Dirt Bike Exhaust Systems & Slip-On Mufflers

352 partsFree shipping over $100Most ship in 1 to 5 business days

Dirt bike and motocross exhaust from Big Gun, for CRF, YZ, KX and RM-Z race bikes through the trail and pit bike lineup. The EXO R MX series is the current race system, the EVO R covers off-road and older four-strokes, and the EVO M handles 50 to 110cc minis. Full systems, slip-on mufflers and head pipes, plus Rev Box and TFI Power Box tuning where the bike needs it. Closed-course use only.

Add your machine to see only the parts that fit

Dirt BikeEXO R

EXO R Series MX Full Exhaust System

Honda CRF 250R EFI (22-26)

Part # 19-12773

$749.99

Dirt BikeEVO MYouth pick

EVO M Full Exhaust System

Honda CRF/XR 100 (01-13) *Black Out Edition*

Part # 10-1123-BK

Tune available

$352.75

Dual-Sport

TFI Power Box

Honda CRF 250L (17-19)

Part # 40-R65

$362.25

Dual-SportEVO R

EVO R Slip On Muffler

Kawasaki KLX 300R (94-14)

Part # 09-4312

$409.99

Dirt Bike

TFI Power Box

Suzuki RM-Z 450 (08-19)

Part # 40-R82

$362.25

Dirt BikeEVO RMost popular

EVO R Full Exhaust System

Honda CRF 450R (09-10)

Part # 09-14523

Tune available

$687.49

Dirt BikeEVO R

EVO R Slip On Muffler

Honda CRF 250R (11-13)

Part # 09-12722

Tune available

$409.99

Dirt BikeEVO R

EVO R Full Exhaust System

Honda CRF 250R (06-09)

Part # 09-12513

Tune available

$687.49

Dirt Bike

Rev Box

Kawasaki KX 250F (2004)

Part # 40-R12

$184.75

Dirt Bike

Rev Box

Honda CRF 250R (2004)

Part # 40-R23

$184.75

Dirt BikeECO

ECO Slip On Muffler

Yamaha YZ 450F (07-09)

Part # 07-1102

$327.75

Dirt BikeEVO R

EVO R Slip On Muffler

Yamaha YZ 250F (07-09)

Part # 09-22522

$409.99

Dirt BikeEVO R

EVO R Full Exhaust System

Yamaha TTR 225 (99-05)

Part # 09-2213

$627.49

Dirt BikeEVO R

EVO R Slip On Muffler

Suzuki RM-Z 450 (08-17)

Part # 09-54502

Tune available

$409.99

Dual-SportEVO R

EVO R Head Pipe

Suzuki DR-Z 400E (00-07)

Part # 09-5411

Tune available

$278.49

Dirt BikeECO

ECO Slip On Muffler

Kawasaki KX 450F (12-15)

Part # 07-1402

Tune available

$327.75

Dirt BikeEVO R

EVO R Full Exhaust System

Kawasaki KX 450F (12-15)

Part # 09-44523

Tune available

$687.49

Dirt BikeEVO R

EVO R Head Pipe

Kawasaki KX 450F (09-11)

Part # 09-44511

Tune available

$278.49

Dual-SportEVO R

EVO R Slip On Muffler

Kawasaki KLX 250 S / R/ SF (94-14)

Part # 09-4312

$409.99

Dirt BikeEVO MYouth pick

EVO M Full Exhaust System

Honda CRF/XR 80 (01-13)

Part # 10-1123

Tune available

$299.99

Dirt BikeEVO R

EVO R Slip On Muffler

Honda CRF 450X (05-17)

Part # 10-1552

$409.99

Dirt BikeEVO R

EVO R Slip On Muffler

KTM 450 XC / 525 XC (08-13)

Part # 09-3512

$409.99

Dirt BikeEXO

EXO Head Pipe

Honda CRF 450X (19-24)

Part # 13-14551

$260.49

Dirt BikeEXO

EXO Full Exhaust System

Kawasaki KX 450F (2019-2023)

Part # 13-44723

$723.49

Dirt Bike

BALLISTIC SERIES Slip On Muffler

KTM 450 XC / 525 XC (08-13)

Part # 08-1162

$382.75

Dual-Sport

BALLISTIC SERIES Slip On Muffler

Honda CRF 250L (13-16)

Part # 08-0122

Tune available

$382.75

Dual-SportEVO R

EVO R Full Exhaust System

Kawasaki KLX 250 S / R (18-21)

Part # 09-4313

$687.49

Dirt BikeEXO

EXO Slip On Muffler

Honda CRF 450X (19-24)

Part # 13-14552

$494.49

Dual-SportEVO R

EVO R Head Pipe

Honda CRF 250L (17-19)

Part # 09-12591

Tune available

$278.49

Dual-SportEVO R

EVO R Full Exhaust System

Kawasaki KLX 300R (94-14)

Part # 09-4313

$687.49

Dirt Bike

TFI Power Box

Yamaha YZ 450F (10-18)

Part # 40-R61

$362.25

Dirt BikeEVO R

EVO R Dual Slip On Muffler

Honda CRF 450R (13-14)

Part # 09-14542

Tune available

$687.49

Dirt BikeEVO R

EVO R Slip On Muffler

Honda CRF 450R (09-10)

Part # 09-14522

Tune available

$409.99

Dirt BikeEVO R

EVO R Head Pipe

Honda CRF 250R (11-13)

Part # 09-12721

Tune available

$278.49

Dirt BikeECO

ECO Slip On Muffler

Honda CRF 250R (06-09)

Part # 07-1002

Tune available

$327.75

Dual-SportECO

ECO Slip On Muffler

Honda CRF 250L (13-16)

Part # 07-0122

Tune available

$327.75

Dirt BikeEVO R

EVO R Full Exhaust System

Honda CRF 230F (03-19)

Part # 10-1153

Tune available

$627.49

Dirt BikeEVO R

EVO R Full Exhaust System

Honda CRF 150F (06-17)

Part # 10-1163

Tune available

$627.49

Dirt BikeEVO R

EVO R Full Exhaust System

Yamaha YZ 450F (10-13)

Part # 09-22613

Tune available

$687.49

Dirt BikeEVO R

EVO R Full Exhaust System

Yamaha YZ 450F (07-09)

Part # 09-24513

$687.49

Dirt BikeECO

ECO Slip On Muffler

Yamaha YZ 250F (06-09)

Part # 07-1092

$327.75

Dirt BikeECO

ECO Slip On Muffler

Yamaha WR 250F (07-14)

Part # 07-2092

$327.75

Dirt BikeEVO R

EVO R Full Exhaust System

Suzuki RM-Z 250 (11-16)

Part # 09-42523

Tune available

$687.49

Dual-SportEVO R

EVO R Full Exhaust System

Suzuki DR-Z 400E (00-07)

Part # 09-5403

Tune available

$687.49

Dirt BikeEVO R

EVO R Slip On Muffler

Kawasaki KX 450F (09-11)

Part # 09-44512

Tune available

$409.99

Dirt BikeEVO R

EVO R Full Exhaust System

Kawasaki KX 250F (06-08)

Part # 09-43503

Tune available

$687.49

Dirt BikeEVO R

EVO R Head Pipe

Kawasaki KX 250F (06-08)

Part # 09-43501

Tune available

$278.49

Dirt BikeEVO R

EVO R Full Exhaust System

Kawasaki KLX 450R (08-13)

Part # 09-5423

$687.49

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