RPI exhaust systems are designed in house and offer an excellent balance of performance and sound. All RPi exhaust systems are tested under strict conditions to ensure the most performance for your car. For those who want better sound and performance without drawing a lot of attention, we have the ST series. The GT and GtRace series exhaust systems are designed for maximum sound and power. All RPi exhaust systems are made in the USA using top quality T304 stainless steel and come with a Limited Life Time Warranty.
RPi develops the first straight through exhaust design for the X5M and the X6M. Exhaust systems from other competitors tend to “chamber” their mufflers because of the lack of space in the rear of the X5M and X6M. Expect 10-15hp and a great sound. All RPi exhausts are made with T304 stainless steel and come with our limited lifetime warranty.