Porsche Modular Headers And HJS Catalytic Converters - 911 | 2012-2016 FS-POR-991-MH-SC Choose your Configuration:Sport Cat+Cat Bypass Pipes compatible with OEM cats

compatible with OEM cats

Extreme Pressure Performance: Withstands heavy loads up to 65

This high-quality pre-cleaner is designed to shield your air filter from dirt

Expertly crafted for Porsche models

It protects the paintwork and keeps your Porsche looking its best at all times

Porsche Modular Headers And HJS Catalytic Converters - 911 | 2012-2016 FS-POR-991-MH-SC Choose your Configuration:Sport Cat+Cat Bypass Pipes compatible with OEM catsModular Headers And HJS Catalytic Converters For Porsche 991 Carrera (2012 2016) Models. SOUND: Enhanced Exhaust Note: Sportier, more aggressive sound profile. Increased definition of higher frequency tones. Robust and transparent off throttle burbles. Track Focused Sound (Cat Bypass): For race track use only. Extremely aggressive, race bred sound. Not overbearing in volume. Transforms the car's character. PERFORMANCE & FEATURES: Power Gains: +25 HP