Fabspeed 911 Carrera RSR Header Muffler Kit (76-89) (FS.POR.911.RSRWHS32) 8005 thankfully

thankfully

or a replacement kit for your existing DTS with poly mounts

Unfortunately

Manufacturer Part Number: 827-507R

IMPORTANT NOTE: When converting from carbon ceramic brakes to GiroDisc iron rotors we STRONGLY recommend replacing all four rotors in order to maintain the factory brake bias and controlled braking in all driving conditions

Fabspeed 911 Carrera RSR Header Muffler Kit (76-89) (FS.POR.911.RSRWHS32) 8005 thankfullyThis 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 and 13 ft lbs of tq at 3900 RPM and maximum HP is increased by 12 whp