2003 F150 Flowmaster Super 40's
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2003 F150 Flowmaster Super 40's - 1by TherrienH1,692 views- 0:52
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Sounds pretty decent, aggressive at high rpm yet well toned down low.
DarrenWS6 2 years ago
Yeah it does but thats only when your revving it, when your actually driving it its very toned
TherrienH 2 years ago
sounds badass, did you notice any problems or changes from taking the cats off? besides the sound. i heard that it might mess up the motor due to not having enough back peasure.
94ram1500 2 years ago
When i first took the cats off with the glasspacks which was basically straight through i did notice a drop in lower end torque but not a big difference just noticable, about messing up the motor no problems yet. and the flowmaster mufflers seemed to taken care of the back pressure issue.
TherrienH 2 years ago