Utilizing Flowmaster’s Delta Flow Technology, it provides maximum efficiency and minimal interior resonance. Ideal for street cars, trucks, SUVs, RVs, and tow vehicles, the 70 Series offers quiet …

Dec 18, 2024 · This guide will walk you through Flowmaster’s sound rating system, how to choose the right sound level, and tips for finding the perfect Flowmaster exhaust for your ride.

Dec 29, 2023 · Ideal for high-performance street cars, RVs, SUVs, trucks, and tow vehicles, the Flowmaster 70 series achieves an average sound level of 82.1 dB at 3000 RPMs and 30 ft. away, …

May 5, 2025 · Our full comparison guide includes the loudest to quietest Flowmaster mufflers available. Find the best fit for your ride from the experts at RealTruck.

Best suited for truck applications – quiet operation! The 70 Series Big Block Muffler uses a longer case for increased volume and added sound reduction that will still fit many applications where the wider …

Sep 10, 2025 · The internal chambered design within the 70 Series muffler acts as a sound wave disruptor. As exhaust gases pass through, the chambers reflect and cancel out specific frequencies, …

Mar 26, 2024 · If you’re ready to let your engine’s power be heard, few mufflers can match the bold sound profile of the Flowmaster 70 Series. Its attention-grabbing rumble backed by performance …

Product Details The 70 series utilizes Flowmaster's Delta Flow technology and an enlarged case for improved sound control along with mileage and power gains. Perfect for use on trucks, SUV's, RVs, …

The 70 series utilizes Flowmaster's Delta Flow® technology and an enlarged case for improved sound control along with mileage and power gains. Perfect for use on trucks, SUV's, RVs, tow vehicles and …

It utilizes Flowmaster’s patented delta flow technology for maximum efficiency and minimum interior resonance. The 70 series mufflers are perfect for high performance street cars, most Trucks, SUV’s, …