M4 Full System with Carbon Scalene Canister '25+ Yamaha R9

Exhausts are built to order. Please allow 3 week lead time.

 Significant Performance Improvement

Comes with Race Bracket to Remove Passenger Foot Peg

304 Stainless Steel Tubing

Quiet Insert Available but Sold Separate

Does not meet emission requirements for street or highway use.

NO RETURNS ON SPECIAL ORDERS