Borla 13-15 Audi S3 S-Type Dual Round Rolled Catback Exhaust Fuel Delivery>Fuel Systems Banks boost tubes are both

Banks boost tubes are both 3-1/2" constant diameter mandrel bent

0 inch diameter for our MK6 exhaust

Connects to your iDash

SKF performance wheel bearing for 1997-2008 Corvette C5/C6

Borla 13-15 Audi S3 S-Type Dual Round Rolled Catback Exhaust Fuel Delivery>Fuel Systems Banks boost tubes are bothThis BORLA(r) Cat Back system was designed specifically for the Audi 2. 0L turbo engine. The 3" diameter system flows into dual 2. 25" tail pipes on each muffler assembly. Includes a 3. 0" O. D. x 2. 5" O. D. x 6. 63" long adapter for clamp on installation to the stock exhaust system. Do not use the adapter for full 3 inlet. The system has functioning valves. It delivers the classic S Type sound with no drone inside the vehicle. Add optional resonator