Axle-Back Race Exhaust (Rear Muffler Delete)


BT1801-S
$489.99
  • 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.  

Key Features:
  1. -The most free flowing design possible.  Zero baffles, zero restrictions, maximum flow.
  2. -Single 3" merged to dual 2.5" pipes.  
  3. -Finished off with twin 80mm dual wall tips
  4. -Gives the 135i a very aggressive exhaust tone.  
  5. -Extremely lightweight system.  
  6. -Fits both N54 & N55 models.