BMW RPI Exhaust - 3 Series F80 M3 & F82 M4 GT
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Our popular GT series exhaust for F80 M3 and F82 M4 offers an aggressive sound and exceptional performance at a great price. The downpipe-back full system features a non-resonated midpipe, and straight-through helmholtz rear chamber which produces a deep tone to compliment the massive power of the S55 engine with no rasp and minimal drone.
This exhaust is 100% bolt on with no other parts/hardware to purchase. Expect a 5-10whp gain with the installation of our full system. The F80/F82 GT system is constructed from T-304 stainless steel and is TIG welded to our highest standards. All RPi exhausts are RPi dyno tested and come with a limited life time warranty.