Catalytic Converter for OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter MagnaFlow 52458 air-intake Holley's new GM Muscle Series

Holley's new GM Muscle Series air cleaner kits are the latest expansion to our officially licensed GM product line

The billet aluminum boost tap then connects to the port and uses dual Viton o-ring seals for leak free operation

(1) -8 an o-ring return

3 L4 1990 Oldsmobile Cutlass Supreme International 140/2

4L V8 2009 - 2010 Ford F-150 XLT 330/5

Catalytic Converter for OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter MagnaFlow 52458 air-intake Holley's new GM Muscle SeriesOverview: Keep the check engine light off with MagnaFlow OEM Grade Federal EPA Compliant Direct Fit Catalytic Converter 52458. With features including free flowing mandrel bent tubing and highly corrosion resistant, stainless steel construction, easily install this spun body 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