4" Cat Back Single | 2001-2007 GM 2500/3500 6.6L DURAMAX W/OEM 4 Bolt Flange- 431110 Year Applicable:2001-2007 Durable 1/2” oil hose included

Durable 1/2” oil hose included for long-lasting reliability

Read and clear ECM/TCM diagnostic codes via app

This XR1 Series LB7 Turbocharger comes with an upgraded Billet Blade Technology 63

Dual neodymium magnetic plugs are used for maximum gear protection

18-Gauge Powder-Coated Heat Shield to Block Hot Engine Air

4" Cat Back Single | 2001-2007 GM 2500/3500 6.6L DURAMAX W/OEM 4 Bolt Flange- 431110 Year Applicable:2001-2007 Durable 1/2” oil hose includedConstructed out of 16 gauge aluminized steel or T409 Stainless, this exhaust system is designed to simplify installation with included clamps, preweld contour bends and improved flanges. Enjoy a noticeable boost in performance, lowered EGTs and amplified air flow with this Mel's system. For powerhouse performance, Mel's delivers horsepower you can hear! Ease of installation Contour Bent Hangers TorcTite Clamps Retains for Cat for Emissions OEM Style 4