HPA Catted Downpipes - Audi (C7) S6 / S7 4.0TMaximizing engine performance starts with engine heat management. Turbo charged applications generate extreme amount of surface heat at the turbo charger that radiates directly into the aluminum head reducing the engine ECUs ability to advance ignition and fueling maps due to detonation. Besides strict global emissions standards resulting in restrictive catalytic converters being installed, oem engineers must factor global restrictions on minimum

Smooth flow transition between filter and aluminum pipe via a ferrule provision

Reduces engine movement and limits wheel hop

5" aluminum piping with black powder coating

- 253x10 mm (9

Finish it off

or One Heat Range Colder BKR8EIX Iridium plugs

FITS: Automatic transmission cars only

Designed to be compatible with factory/OEM headers and center muffler (NOTE: Please call/contact us if you're interested in combining this system with additional Fabspeed exhaust components

0T FSI/TSi Intake Manifold Plug & Boost Tap

Cast from 6061 aircraft grade aluminum

-20" L x 6" D

this one is even BETTER