Agency Power Exhaust Titanium Tips BMW 135i (2007-2013) Universal The Kartboy Transmission Member Bushings

The Kartboy Transmission Member Bushings for the 2002-2007 WRX/STI replace the soft rubber bushings with stronger Urethane bushings

Mild gear rattle

makes for more horsepower and improves acceleration

The Typhoon uses a velocity stack design to force air through a massive 5" inner diameter K&N high-flow filter and into a cast aluminum intake body and MAF-housing

Perrin's shroud fits over the top of the core support and radiator

Agency Power Exhaust Titanium Tips BMW 135i (2007-2013) Universal The Kartboy Transmission Member BushingsIf you are looking to step up the sound, performance, and look of your 2007 2013 BMW 135i turbo, then adding the Agency Power rear axle back muffler exhaust is the answer. The all stainless steel muffler features TIG welding, a polished finished, and dual titanium tips with that MUST HAVE look sticking out of your rear bumper. The axle back muffler fits to the stock midpipe to not only save weight, but improve performance. The muffler deletes the