BMW F40 1 Series 128ti - OPF/GPF Back System with GT-115 Burnt Titanium Trims Audi > SQ7 > 4.0 V8 TT (Gasoline Non-OPF Equipped Vehicles Pre LCI) > 2021 to 2024 independent testing has revealed that

independent testing has revealed that the 3" Turbo back upgrade with a re-map produces over a 20% increase in BHP

Testing was completed on a fully tuned version which had been given the benefit of an added induction kit

GPF Back with Rear Box Test Results:

Frozen White

allowing the driver to cruise around and eat up the miles in comfort

BMW F40 1 Series 128ti - OPF/GPF Back System with GT-115 Burnt Titanium Trims Audi > SQ7 > 4.0 V8 TT (Gasoline Non-OPF Equipped Vehicles Pre LCI) > 2021 to 2024 independent testing has revealed thatOur range of Cat Back systems are perfectly suited to cater for anyone looking to improve their sound and aesthetics, designed as a direct replacement for the original system, available in multiple configurations enabling the owner to choose the increase in volume of their exhaust and or add a more suitably aggressive tone. All our products are made from 304L Aircraft Grade stainless steel. This quality material will ensure that your Cat Back system