Akras new system features a new layout with two central link pipes replacing the single stock pipe, a new muffler design, and carbon fibre tips. The dual-mode ECU-controlled valve exhaust from Akrapovič offers stock-level sound at normal cruising, and a deep sporty note when driving the 435i spirited. The Akra system replaces stock from the cats back.
Akrapovic claims a 7 hp bump, 1.8 lbs weight reduction and 8 lbs of torque gained.
LISTEN!
http://www.akrapovic.com/#!/car/product/sport sedan/14504/sound?brandId=19&modelId=58
Akrapovic claims a 7 hp bump, 1.8 lbs weight reduction and 8 lbs of torque gained.


LISTEN!
http://www.akrapovic.com/#!/car/product/sport sedan/14504/sound?brandId=19&modelId=58