As an important part of our ever expanding lineup of durable, stainless high performance
exhaust products, Flowmaster proudly introduces the 70 Series Big Block II mufflers in 409S stainless steel. Manufactured entirely in the USA, these five most-popular part numbers offer a mild to moderate sound level, making them ideal for vehicles used for towing, long distance driving, or any time a mild exhaust note is desired. The patented Delta Flow technology inside provides all the performance benefits you expect from Flowmaster, and the limited lifetime warranty assures that performance will last a lifetime.
Stainless Steel Construction
Patented Delta Flow Technology
Mild/Moderate Performance Tone
Limited Lifetime Warranty
Dyno Tuned For Maximum Performance
Case Measurements: 5" x 10" x 22"