Bell SE077 DSAF Anti-Fog Helmet Shield Option:Silver which can be used with

which can be used with or without the included air intake covers

Larger catalytic converters are better because they allow for more exhaust flow and the increased catalysts surface area allows for better exhaust gas filtering which means emissions compliance and will NOT trigger a check engine light

Very aggressive "straight-pipe" system which replaces/bypasses the factory muffler                                                                                FEATURES: Fits all Porsche 996 GT2 vehicles (2001-2005) Improved flow increases power and throttle response Saves 45 lbs from the rear of the vehicle Includes 200-cell HJS Sportcats for maximum flow Constructed from high-quality 14-16 gauge C

Engineered to fit the factory sliding mechanism

Bell SE077 DSAF Anti-Fog Helmet Shield Option:Silver which can be used withThe Bell SE077 DSAF Helmet Shield features a 3 mm opticallycorrect polycarbonate design with Double Screen AntiFog technology, delivering ultraclear, fogfree vision and superior impact protection for Bell HP77 racing helmets.