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Excellent Performance

RPI ST Series exhaust system for the E46 M3 offers excellent performance while minimizing “raspiness” often found when adding an after market exhaust on the E46. This exhaust is made of T-304 stainless steel and comes with the RPi limited life time warranty. Expect 5-8whp.

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About RPI Exhaust Systems

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.