The Berk Technology rear muffler delete is a no compromise approach to maximum horsepower gains in a lightweight elegant package. The muffler delete features a completely straight through design with zero obstructions to flow. The twin 80mm dual wall tips finish off the look with a classy appearance that doesn't take away from the original look of the car. This is the identical system we use on our own championship winning race cars.
-2000 degree F satin black ceramic coating that closely resembles the OEM black tips
-The most free flowing design possible. Zero baffles, zero restrictions, maximum flow.
-Single 3" merged to dual 2.5" pipes.
-Finished off with twin 80mm dual wall tips
-Gives the 135i a very aggressive exhaust tone.
-Extremely lightweight system.
-Fits both N54 & N55 models.