FabSpeed Porsche 911 Carrera European Pre-Muffler Cat Bypass Pipe

Replaces factory catalytic converters with a straight-thru resonated European design for increased flow, resulting in more horsepower and improved throttle response                                                                            FEATURES: Fits all Porsche 911 SC and Carrera vehicles (1976-1989)   Adds 16+ whp / 15+ tq and significantly increases throttle response while saving 8 pounds   Improved sports car sound- gutsy european pre-muffler style.    Constructed from 14-16 gauge, T304 C.N.C. mandrel bent stainless steel.   Includes straight-through resonator with stainless steel wool packing to last.    Includes O2 sensor bung so the fuel injection system can automatically adjust mixture/idle/part throttle for maximum performance.   Simple DIY bolt on installation   Simple reversible direct replacement bolt-on for the stock ancient restrictive cat.    All Fabspeed performance products are backed by the Fabspeed Lifetime Warranty     DISCLAIMER: This product remove