BMW G8X M3/M4 - Axle Back System with GT-115 Polished Trims Model_X5 (E53) 3.0 Diesel 1999-06 This unique design offers the

This unique design offers the biggest sound increase whilst keeping the standard GPF and catalyst in place (+5

ONLY FOR VEHICLES WITHOUT TEMPERATURE SENSOR IN DOWNPIPE

000 rpm track test increased by 7% to register 86

000 rpm static test the resonated cat back system increased by 8db to register 88

BMW G8X M3/M4 - Axle Back System with GT-115 Polished Trims Model_X5 (E53) 3.0 Diesel 1999-06 This unique design offers theOur 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