MILLTEK SSXAU831 Cat-back AUDI RS4 B9 2.9 V6 Turbo Avant (OPF/GPF Models) ymm_77 With a 50% increase in

With a 50% increase in charge air volume and a 10% larger flow area compared to the OEM cooler

Red Line D6 will drop to no less than 6

Height (mm): H246

781 in (121 mm)

It can be seen that the 1st back pressure is suppressed by selection proper intake and exhaust as for the factory spec (No

MILLTEK SSXAU831 Cat-back AUDI RS4 B9 2.9 V6 Turbo Avant (OPF/GPF Models) ymm_77 With a 50% increase inDescription MILLTEK SSXAU831 Cat back AUDI RS4 B9 2. 9 V6 Turbo Avant (OPF GPF Models) This range of Cat Back systems is designed as a direct replacement for the original exhaust, offering improved sound and aesthetics. Multiple configurations are available, allowing the owner to select the desired increase in exhaust volume and achieve a more aggressive tone if preferred. All products are manufactured from 304L aircraft grade stainless steel,