MILLTEK SSXAU337 Cat-back AUDI RS4 B8 4.2 FSI quattro Avant ymm_65 5" diameter inlet into the

5" diameter inlet into the muffler with dual 2" outlets in a Cat-Back™ configuration

Simply having some heat shields in place is not an effective means of avoiding heated air from entering the filters unless the shields create an air tight envelope around the filters

Description MILLTEK SSXAU505 Cat-back Quad 100mm GT100 AUDI SQ5 3

Description MILLTEK MCXVW219 Cat-back VW Corrado VR6

MILLTEK SSXAU337 Cat-back AUDI RS4 B8 4.2 FSI quattro Avant ymm_65 5" diameter inlet into theDescription MILLTEK SSXAU337 Cat back AUDI RS4 B8 4. 2 FSI quattro Avant The Cat Back systems are designed as direct replacements 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 tone. All products are manufactured from 304L aircraft grade stainless steel, ensuring durability in harsh conditions. Performance exhaust systems