WebOverview. The 70 series utilizes Flowmaster's Delta Flow® technology and an enlarged case for improved sound control along with mileage and … WebFind Flowmaster 70 Series Big Block II Mufflers and get Free Shipping on Orders Over $109 at Summit Racing! These 70 Series Big Block II mufflers are designed around a large case for maximum volume and efficiency. They're 2 in. narrower than the original Big Block muffler, making them easier to install into tight areas.
Flowmaster 70 vs 50 HD Sound Comparison - YouTube
WebFlowmaster 70 Series. Best suited for truck applications – quiet operation! Features three-chamber, Delta Flow Technology. Constructed of 16-gauge aluminized steel. Fully MIG-welded for maximum durability. Covered by … WebJun 29, 2006 · The sound got deeper when I installed the intake tube and larger filter. Another thing that was good about the 70 series was that the dimensions are an exact fit for my expy, all that was done was cut the O.E.M. muffler and put the 70 series flowmaster and weld it. (no pipe extensions needed) Reply Like. # 3. honeychurch antiques seattle
Flowmaster 50 or 70 Series - Ford Truck Enthusiasts Forums
WebMay 17, 2010 · In our tests, the 70 Series produced an average of 82 decibels at 3000 RPM from a distance of 30 feet. • Three chamber design with longer case for increased volume inside the muffler and lower resonance. • Perfect for high performance street cars, most trucks, SUV’s, RV’s, and tow vehicles. • 82 decibels at 3000 RPM from a distance of ... WebJan 14, 2024 · Flowmaster 70 series installed Monday morning this week. Removed the xpipe and went back to dual 2 1/4" inlets and single 3" outlet. Absolutley no noise in cab, sounds just like stock muffler. Outside only sounds a tiny bit louder than stock. After 3 days of driving i have noticed my mpg has consistently stayed about .5 mpg better than normal. WebJun 10, 2010 · In our tests, the 70 Series produced an average of 82 decibels at 3000 RPM from a distance of 30 feet. • Three chamber design with longer case for increased volume inside the muffler and lower resonance. • Perfect for high performance street cars, most trucks, SUV’s, RV’s, and tow vehicles. • 82 decibels at 3000 RPM from a distance of ... honeychurch dolls house shop