Delivers a Smooth, Deep Tone. 100% Stainless Steel. High-flow ceramic substrate metal spun catalytic converters. 3" stainless steel exhaust tubing with fast flowing mandrel bends (2.5" outlets connect to factory exhaust. Magnaflow X-crossover for improved scavenging and performance. Direct replacement of factory H-pipe, no vehicle modifications necessary. Compatible with factory exhaust headers and aftermarket shorty headers. Compatible with both manual and automatic transmissions. Installation hardware included, no cutting or welding required Fits 2011 Mustang GT only MAG-16399Regular price: $629.95Sale price: $529.95 Choose: Off Road Mid pipeHigh Flow Cats(+320.00) www.realspeedauto.com Ph.631-563-7325 All parts listed are for the Ford Mustang unless otherwise noted. Copyright 2018 Realspeed Automotive Inc. All rights reserved.