MILLTEK SSXAU418 Cat-back 104x80mm Oval ECA AUDI S3 2.0 TFSI quattro Sportback 8V ymm_17 Firm settings are future-proof and

Firm settings are future-proof and optimized for cars with full slicks and track high downforce aero

Better engine response around the target boost pressure and smooth acceleration at the low to mid speed range can be experienced

0mm x 36mm Iron Disc

Simply slides over the top of the Cotton R600 filter

Eliminates wheel shimmy

MILLTEK SSXAU418 Cat-back 104x80mm Oval ECA AUDI S3 2.0 TFSI quattro Sportback 8V ymm_17 Firm settings are future-proof andDescription MILLTEK SSXAU418 Cat back 104x80mm Oval ECA AUDI S3 2. 0 TFSI quattro Sportback 8V The range of Cat Back systems is designed for those seeking to enhance exhaust sound and aesthetics. Each system is a direct replacement for the original, available in multiple configurations to allow the owner to select the desired increase in exhaust volume or a more aggressive tone. All products are manufactured from 304L aircraft grade stainless steel,