MILLTEK SSXAU770 Cat-back AUDI RS3 Sportback 400PS (8V MQB - Facelift Only) ymm_3 Fits most Holley 4150 and

Fits most Holley 4150 and some Holley 4160 carburetors

2x Wagner Tuning intercoolers

Less under hood radiant heat results in a cooler air charge for improved performance

Compared the intake air temperature using WLTC mode on a chassis dynamometer that can control the room temperature regardless of environmental conditions

MILLTEK SSXAU770 Cat-back AUDI RS3 Sportback 400PS (8V MQB - Facelift Only) ymm_3 Fits most Holley 4150 andDescription MILLTEK SSXAU770 Cat back AUDI RS3 Sportback 400PS (8V MQB Facelift Only) 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 a more aggressive tone. All products are manufactured from 304L aircraft grade stainless steel, ensuring durability in harsh conditions.