Jones Exhaust Q413C Quiet Tone Muffler 2.25 Inlet, 2.25 Outlet drums-and-hardware 6L V8 1968 - 1969

6L V8 1968 - 1969 Pontiac Catalina Base 400/6

9L V8 1971 - 1976 Dodge Coronet Brougham 360/5

Integrated dual channel wide band oxygen sensor controls – For monitoring both engine banks (NTK or Bosch sensors)

and reduces oil leaks caused by high crankcase pressures

Gasket competition screw-in rocker arm studs are manufactured from heat treated black oxide coated Grade 8 steel

Jones Exhaust Q413C Quiet Tone Muffler 2.25 Inlet, 2.25 Outlet drums-and-hardware 6L V8 1968 - 1969Overview: The Quiet Tone muffler from Jones Exhaust provides improved exhaust performance, without the aggressive exhaust tones that usually come with it. The mild exhaust tone reduces cabin noise to make driving more enjoyable, without sacrificing any performance. Quiet Tone mufflers utilize an interior baffle design to provide you with excellent results. Features Improved exhaust performance without annoying or aggressive tones Multiple lengths and