Fabspeed Porsche 911 Carrera RSR Header Muffler Kit (1976-1989) 911 Carrera As tested on our Dynojet

As tested on our Dynojet

Fabspeed 997 Carrera Maxflo Performance Mufflers w/ Deluxe Quad-Style Tips

Constructed from T304L stainless steel and / or 100% authentic carbon fiber

TQ (ft/lbs): +11

Fabspeed Porsche 911 Carrera RSR Header Muffler Kit (1976-1989) 911 Carrera As tested on our DynojetHP: +18 TQ: +17 WT (lbs): 23 This complete headers back high performance exhaust system provides loud & aggressive CUP car sound with dual outlets. SOUND: With free flowing headers straight into our Maxflo Muffler, expect a huge increase in volume over stock. POWER: This full exhaust system was designed to unleash as much power as possible with little compromise. On our DynoJet we saw peak curve gains of 17 whp (wheel horsepower) and 13 ft lbs of ft