BMW 4 Series F32 428i Auto - Non-Resonated (Quieter) Cat-Back Exhaust System with Titanium Trims (For 435i M Sport Valance) Model_GT R (2020>) 8T vehicles with the bolt

8T vehicles with the bolt down coilpacks

an increase of 22 whp and 23 lb-ft with a fantastic sound track to match

Reduces Detonation (Knock)Water absorbs heat

you can be sure of the positive performance gains it will deliver

User configurable display via buttons on the gauge face for changing AFR values

BMW 4 Series F32 428i Auto - Non-Resonated (Quieter) Cat-Back Exhaust System with Titanium Trims (For 435i M Sport Valance) Model_GT R (2020>) 8T vehicles with the boltOur 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