Bought this for my son's 96 c1500 5.7l with stock exhaust up to mufflers. I had a 70 series big block flowmaster on there before. He wanted it to be louder and it definitely is louder. It has more interior resonance than the 70 series. It is louder outside the truck too, but not as much of the old school flowmaster 40 series sound as I would like. It definitely has more of a rumble sound to it than the 40 series mufflers. We had this installed with 45 degree turn downs that terminate just before the axle. My son loves it, though. He's young, so the louder the better, lol. Overall very satisfied with this muffler, was just expecting a slightly different sound outside. I would say that if you like an aggressive rumble with some flow master sound then this is the one for you. If you like loud flowmaster sound with little less rumble, stick with the 40 series.Read full review
Verified purchase: Yes | Condition: New
Got it put on my 93 f-150. The truck has a 5.8 351 Windsor with stock manifolds running 2 1/2 inch from each down pipe into each inlet and running it out the back with some 3 1/4 inch rolled tips. It gives the truck a good rumble but not super obnoxious. You can still listen to the radio at a comfortable volume and will drone up hills with the cruise on but is pretty quiet cruising.
Verified purchase: Yes | Condition: New
ive always liked flow masters.if you want a good quality tone but not to loud deffinatly the way to go.this is a good sounding muffler in 2 out 2 but not as deep and aggressive as the 44 that's single in single out.
Verified purchase: Yes | Condition: New
Sounds awesome when I hit the gas. Quiet at the light.. Very good muffler..
Verified purchase: Yes | Condition: New
quick and easy very satisfied
Verified purchase: Yes | Condition: New
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