The Motordyne ShockWave))) A True Dual X (TDX) pipe exhaust system is optimized for the highest torque and power by using progressively expanding dual 2.5″ primary tubes and dual 3.0″ exhaust tubing for the best overall power curve. A high-quality build made of polished stainless steel 304L alloy with back purged and TIG welded construction. Comes with 4.5″ exhaust tips.  NOTE: Please specify if AWD No international shipping.