The muffler that started it all, the original 40 Series Muffler is an aggressive sounding street/strip muffler that delivers the powerful ?Flowmaster Sound? you?ve heard so much about. If you really want to hear your exhaust system and that great muscle car tone ? from both inside and outside of the vehicle - the 40 Series is for you
Flowmaster Exhaust 10 Series Delta Force Race Muffler
The 10 Series race single chamber mufflers are intended for racing applications and utilize Flowmaster's patented Delta Flow technology for maximum performance. Recommended for racing applications where a muffler is required without a set decibel limit to be met. The 10 Series will provide a noticeable dB reduction over open headers
Our largest and quietest muffler, the 50 Series Big Block Mufflers is made for tow vehicles, full-size trucks, large SUV?s and RV?s / Motor Homes. More than just compatible with big cubic inch engine applications, the 50 Series Big Block incorporates a very large Resonance Tuning Chamber to almost completely reduce interior sound in large cab vehicles and enough case volume to handle engines under heavy loads ? perfect for tow vehicles. Significant improvements in mileage, torque, and horsepower are to be expected from this muffler, as well as decreased engine heat and wear.