Audi S3 8P 3-door - Turbo-Back Exhaust System with Hi-Flow Sports Catalyst with Polished Trims Nortech Performance Probably the most important upgrade

Probably the most important upgrade for TFSI EA113 engines

this freer-flowing intercooler is a direct replacement for the smaller and more restrictive OEM set up

the non resonated cat back system recorded a +20dB increase over standard at 96

Machined Turbine Housing with Additional Clearance To Reduce Back Pressure

8 TSI 2013 - 2020

Audi S3 8P 3-door - Turbo-Back Exhaust System with Hi-Flow Sports Catalyst with Polished Trims Nortech Performance Probably the most important upgradeThe Milltek Sport Turbo Back range offers performance enhancements for turbo charged vehicle owners looking to tune their vehicles. Providing the turbo with an exhaust system manufactured with enlarged diameter throughout for enhanced gas flow properties for lower back pressure as a result of the reduced restrictions and benefits with the suitably aggressive exhaust sound it deserves. The Milltek Hi Flow Sports Catalyst reduces the restriction over