40 series flows?
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Member
Joined: Nov 1999
Posts: 96
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From: Stillwater, OK
40 series flows?
I have a 97 with a 4.6 and a 5spd. Right now im runnin a 70 series, 2 chamber , dual inlet, dual outlet. Well its just not loud enough for me. I was wondering if 2 40 series mufflers is gonna flow too much air and was wondering if i would loose too much backpressure?
Senior Member
Joined: Dec 1998
Posts: 233
Likes: 0
From: So Ca
Too low back pressure is not a problem. Too large of a diameter exhaust pipe is. As long as you stay with the correct size for your engine, you can use the best flowing muffer there is. I think for the 4.6L engine, they recommend 2.5" dia pipe for single exhaust and 2.25" for a dual system. Give them a call.
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Danny
'98 F-150 Std., RC, SB, 4x2, 4.2L, 5-sp, 3.08, AC, speed control, rear slider.
Mods: Mobil 1 engine oil, Red Line MTL trans fluid, Edelbrock IAS shocks,
50 Series Flowmaster, K&N with airbox mod, electric radiator fan, Superchip
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Danny
'98 F-150 Std., RC, SB, 4x2, 4.2L, 5-sp, 3.08, AC, speed control, rear slider.
Mods: Mobil 1 engine oil, Red Line MTL trans fluid, Edelbrock IAS shocks,
50 Series Flowmaster, K&N with airbox mod, electric radiator fan, Superchip