Neuspeed Catback Exhaust System Audi S4 (B6) 4.2L V8 03-up: Neuspeed's latest generation of exhausts for the Audi S4 uses aerospace quality T304 stainless 70mm tubing for maximum flow and power. Low restriction mufflers and resonators are carefully designed to reduce weight and to produce an agressive exhaust note. Mandrel bends, TIG welds, and precise fit flanges and mounting hangers are standard on every Neuspeed system.
Pipe Size: 70mm
Tips: Dual polished straight tips
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