ARMYTRIX Stainless Steel Valvetronic Catback Exhaust System Dual Matte Black Tips BMW 3-Series | 4-Series F3x 17+To harvest the full potential of the BMW engine, we utilize quality T304 stainless steel, forged with the most advanced technologies and by the highest standard, to build our valvetronic exhaust. Meticulously engineered, the system handles an increased volume with ruthless efficiency. The refinement and amplification of power and sound alter the entire identity of the vehicle. Upgrades to HP and torque provide more freedom than ever and the auditory

in both cases

065” wall T304L stainless steel

0 TSI Gen3 Turbo-Back Exhaust and 1

snappier throttle response

and could damage the fragile intake flaps and motor

Designed to optimize best material and technology combination specific to application

The exhaust gasses exit through larger laser engraved ultra durable polished quad tips

high flow #8 braided and sport-crimped hoses and hose ends

PCV Valve (034Motorsport Billet PCV Valve)

bump stops and dust boots including the 12-pcs bolt kit

1997-2002 B5 Audi S4 (all models world wide)

Following exhaustive testing on the road and dyno working with 3 different manufacturers of water core