Exhaust-911 Carrera European-Pre-Muffler Catbypass Pipe
Replaces factory catalytic converter with a straight- thru design for increased flow resulting in more horsepower and throttle response. Constructed from 304 Stainless Steel and polished to a mirror finish. Comes complete with gaskets and bolts. Very easy to install.
- Fits all Porsche 911 Carrera vehicles (1976-1989)
- Adds 11 whp and significantly increases throttle response
- Improved sports car sound
- Constucted from 14-16 gauge, T304 C.N.C. mandrel bent stainless steel.
- Includes straight-through resonator with stainless steel wool packing
- Includes O2 sensor bung so the fuel injection system can automatically adjust mixture/idle/part throttle for maximum performance.
- Simple DIY bolt on installation