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Upgrade your BMW M3/M4 F80/F82/F83 with  Black Mamba iPE Exhaust Tips
Expect a small increase in volume with no drone at all
Upgrade your Mercedes-Benz AMG GT Coupe (X290) with the powerful iPE Cat Back System
Note: This exhaust system does NOT come with the exhaust valve motors as shown in the images
Transform the look and sound of your Maserati with our iPE Exhaust Tips
Kline Innovation Ferrari F430 manifolds Lamborghini-Murcielago-LP-640-L6704-SV-2006 Upgrade your BMW M3/M4 F80/F82/F83THE SOUND Starting at the drawing board, the first aspect to be upgraded, replacing the stock catalysts for high performance 100cpsi race catalysts, thus reducing the gas drag coefficient, and improving scavenge, and ultimately torque response and peak power figures. Replacing the heavy, cumbersome factory silencer, for our harmonically tuned ultra light weight Inconel 625 silencer, we were able to enrich both bass and treble frequencies, as well as
