Catalytic Converter with Integrated Exhaust Manifold for HM Grade Federal / EPA Compliant Direct-Fit Manifold Catalytic interior-trim 5L l5 2004 - 2006

5L l5 2004 - 2006 Chevrolet Colorado Base 211/3

4L V8 1968 - 1972 GMC K25/K2500 Pickup 307/5L V8 1968 GMC K25/K2500 Pickup 327/5

0L V8 2007 GMC Sierra 3500 Classic SLT 364/6

The reduction in intake air results in an impressive 10 HP and 20 ft-lb of torque gain without any changes in the engine tune

or for an old school sound a pair of stainless steel Super HP2 mufflers like part # 12518304 or # 12518409

Catalytic Converter with Integrated Exhaust Manifold for HM Grade Federal / EPA Compliant Direct-Fit Manifold Catalytic interior-trim 5L l5 2004 - 2006Keep the check engine light off with MagnaFlow HM Grade Federal EPA Compliant Direct Fit Manifold Catalytic Converter 50150. With features including free flowing mandrel bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no cutting or welding required. MagnaFlow's state of the art metrology department uses the latest 3D scanning systems during research and