Audi A4 B6 1.8T Quattro Performance Exhaust System

APR's B6 A4 Exhaust is a complete stainless steel, mandrel bent, cat-back exhaust. On an A4, the catalytic converter is bolted to the turbocharger and then the exhaust begins with the downpipe. Unlike most other aftermarket exhausts, the APR exhaust includes a 2.5" downpipe. These systems are a complete package replacing all of the tubing from the OEM catalyst to the polished stainless tips that are acid etched with the APR logo.

Stealth Exhaust

The APR Stealth exhaust starts with the downpipe, and then the exhaust continues back to the innovative center muffler, where it splits into dual 2.25" pipes. Each of these mandrel bent pipes goes to its own muffler with a 3.5" rolled, round tip. This exhaust is very quiet and simply changes the tone to a deep, unobtrusive sound.

With TIG welding, fully stainless construction, and CNC'ed hangers, you will not find a higher quality system on the market. APR is so confident in the construction of the B6 A4 exhaust it comes with a full lifetime warranty.

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APR's B6 A4 exhaust systems have been designed to have flow rates more then sufficient for even the highest levels of performance. Whether for street or track use we will have the right application for you.