Flowmaster 817585 American Thunder Exhaust Kit, 1967-74 Mopar
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For the person who is looking for a complete Header-back dual exhaust system with a performance sound. This system is mandrel bent for maximum performance and includes specially selected mufflers. American Thunder 2.5 In. systems generally deliver a moderate to aggressive interior and exterior tone and are suited to the enthusiast who wants their performance to be heard. The sound level will depend greatly on the engine and level of modification. Like all Flowmaster systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, these systems include all necessary parts and hardware for easy installation.
- Super 50 Sound Level
- Delta Flow Technology
- Improved Horsepower, Torque and Engine Efficiency
- Premium Quality
Application1967-1969 Dodge Dart 383 CID/6.3L V8
1967-1969 Dodge Dart 4.5L V8
1968-1969 Plymouth Valiant
1967-1969 Plymouth Valiant 4.5L V8
1968-1973 Dodge Dart 340 CID/5.6L V8
1970-1973 Plymouth Duster 340 CID/5.6L V8
1968-1973 Plymouth Valiant 340 CID/5.6L V8
1968-1974 Dodge Dart 318 CID/5.2L V8
1971-1974 Dodge Dart 360 CID/5.9L V8
1970-1974 Plymouth Duster 318 CID/5.2L V8
1971-1974 Plymouth Scamp 318 CID/5.2L V8
1968-1974 Plymouth Valiant 318 CID/5.2L V8
1971-1974 Plymouth Valiant 360 CID/5.9L V8
1974 Plymouth Duster 360 CID/5.9L V8
NotesFits 1967 to 1974 Mopar A-Body, fits Dodge Dart and Plymouth Valiant with a V8 engine including the convertible models.
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Q & A
Whether you’re looking for performance improvements or heat reduction, if you decide to wrap your headers, we'll show you the benefits and possible precautions to take before you wrap your exhaust.