MILLTEK SSXAU557 Cat-back Twin 80mm GT80 AUDI S4 3.0 Supercharged V6 B8 ymm_7 moderate tone with a noticeable

moderate tone with a noticeable gain over the standard system

Stock air element part # 17801-31100 / 17801-31170 Replacement filter M SIZE (70017-AK102) Package size 290×261×38

Supporting a power range of 170 to 270 horsepower

repeated driving tests were conducted

Applications are also available for NHRA Legal Cobra Jet ( 2014

MILLTEK SSXAU557 Cat-back Twin 80mm GT80 AUDI S4 3.0 Supercharged V6 B8 ymm_7 moderate tone with a noticeableDescription MILLTEK SSXAU557 Cat back Twin 80mm GT80 AUDI S4 3. 0 Supercharged V6 B8 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 or achieve a more aggressive tone. Manufactured from 304L aircraft grade stainless steel, these systems are built to withstand harsh