Product Description
M4 Performance Exhaust designs and manufactures high quality exhaust systems for all popular sport bikes. We create full systems and slip-ons that are dyno-tuned with precision for optimal performance and sound.
The GP19 full system really helps transform your Hayabusa into a true high performance machine. This system removes 30 lbs and produces close to 8 more horsepower over the stock system. The whole system is constructed from high quality 304 stainless steel, while the canister utilizes a black ceramic coating.
- Comes with Stage 1 Q1 Quiet Insert Installed
- Stage 2 Q3 Quiet Insert Sold Separate
