Exhausts, Cats, Downpipes...

Stratmosphere is the exclusive importer for Milltek Sport products in North America. From our legendary 3" Audi S4 Bi-Turbo system to our class leading Audi TT systems and ground breaking VW systems, Milltek is the proven product of choice delivering clear advantages in power, drivability and sound when compared to the competition. On each product page you will find 3rd party tests, comments and dyno data that assures Milltek is delivering.

Dealer inquiries welcome as we build a strong dealer-focused network.

NEW! Check out our new HyperBundles where you can save $20 on a HyperBoost valve when you combine that with the purchase of a genuine Milltek exhaust. Each model-specific (TT, S4, VW, A4, A6, etc.) web page give you the option to save $20 on a HyperBoost valve.