WebJul 2, 2007 · They are loud at crank up and accelaration but at cruising speed you can honestly barely even hear them, no drone at all! At 70 MPH on the hwy they make no noise!, I would imagine the 70 series would be even quiter at the crank and when accelerating. 70 series=3 chamber, 40 series=2 chamber. WebI had to modify the 50 HD to fit by removing the ends of the muffler and swapping to a center inlet and offset outlet. This is a 2004 Jeep Grand Cherokee wi...
Flowmaster F-150 Big Block II 70 Series Offset Muffler 52573 …
WebApr 6, 2024 · I have a Flowmaster 70 series on my 2008 V8, with the resonator removed and a side-routed tip and noticed no change in low-end performance or fuel mileage. No chance you're subconsciously stomping on the skinny pedal more now to hear the sound of the exhaust? That might have a negative impact on the MPG ;) 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. in conclusion podcast
Sound Comparison: Five of Flowmaster’s Popular Series of …
WebFlowmaster's 70 Series Big Block II Mufflers feature a longer case for increased volume and added sound reduction by utilizing Flowmaster’s patented Delta Flow Technology. The 70 Series offers maximum efficiency and minimum interior resonance, best suited for street cars, trucks, SUV’s, RVs and tow vehicles that require quiet operation with ... 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 ... WebNov 23, 2005 · Buy Flowmaster 530722 70 Series Muffler - 3.00 Center IN / 2.25 Dual OUT - Mild Sound Black: Mufflers ... Improved low end torque (1200-3000 RPM) and increased Highway mpg. Back story: I recently had a local shop put on a super 40 into a Duel tailpipe exhaust on my truck. There was a great noise at idle but anything over 1500 RPM would … im uworld percentage starting