Fabspeed Porsche 997 GT3 / GT3 RS Sport Headers (2006-2009)

Why We Choose HJS Catalytic Converters:  HJS German imported catalytic converters are made from some of the highest grade materials you can find in a catalytic converter. This yields high performance gains and longevity so it wont deteriorate over time like lower grade catalytic converters. These catalytic converters flow up to 93-95% of a straight pipe in most applications. The benefit is that you get the "straight pipe sound" while still being able to provide enough emissions scrubbing to prevent a check engine light.     Direct replacement for the restrictive OEM headers, offering improved power and throttle response throughout the RPM range.                                                                            FEATURES: Fits all Porsche 997 GT3 / GT3 RS vehicles 2006-2009 Includes German-made 200 cell high performance HJS Tri-Metallic Sport Catalytic Converters Constructed from high-quality 14-16 gauge, C.N.C. mandrel-bent stainless steel Sport Headers include 200 cel