2005-2014 Mustangs Discussions on the latest S197 model Mustangs from Ford.

flowmasters or slps

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Old May 9, 2008 | 04:34 PM
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gil 86's Avatar
gil 86
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Default flowmasters or slps

what gives me better performance slp exhaust or flowmasters on a 07 gt with a tuner and a x pipe
Old May 9, 2008 | 04:36 PM
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Default RE: flowmasters or slps

Axle back exhausts really don't add any power. Not anything you'll notice. SLPs sound good with cats.

Flowmasters sound horrible period.
Old May 9, 2008 | 04:44 PM
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Default RE: flowmasters or slps

SLP's will also cause you to lose torque as well.

Yes, Flow's blow.
Old May 9, 2008 | 04:45 PM
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Default RE: flowmasters or slps

true true will my car **** up if i dont have it tuned and i put a cold air intake
Old May 9, 2008 | 04:46 PM
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Depends on what cold air intake. Pwny I don't buy into that. The cats are keep back pressure. I don't think I've lost any torque, especially according to all of my dyno pulls. I'm running 302 rwhp and 318 rwtq with SLP LMs, VMP 93 octane tune, C&L intake, CMCVs, and UDPs. The numbers seem to be about what everyone is getting even with mufflered set-ups.
Old May 9, 2008 | 04:47 PM
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Default RE: flowmasters or slps

ORIGINAL: gil 86

true true will my car **** up if i dont have it tuned and i put a cold air intake
Yes. However, there are CAI's out there that don't require a tune. I think BBK has one.

But, you should get the tune anyways since many vendors sell them with a tune anyways. Plus, its way too good to pass up.
Old May 9, 2008 | 04:48 PM
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Default RE: flowmasters or slps

ORIGINAL: ThumperMX113

Depends on what cold air intake. Pwny I don't buy into that. The cats are keep back pressure. I don't think I've lost any torque, especially according to all of my dyno pulls. I'm running 302 rwhp and 318 rwtq with SLP LMs, VMP 93 octane tune, C&L intake, CMCVs, and UDPs. The numbers seem to be about what everyone is getting even with mufflered set-ups.

Its probably the other mods. If you are bone stock and just SLP's, then you will lose some.
Old May 9, 2008 | 04:51 PM
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Default RE: flowmasters or slps

but can i put my intake in for a week with out the tune and not mess up the car its a jlt intake
Old May 9, 2008 | 04:54 PM
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but can i put my intake in for a week with out the tune and not mess up the car its a jlt intake
Don't do it.
Old May 9, 2008 | 05:04 PM
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Default RE: flowmasters or slps

ORIGINAL: Pwny

ORIGINAL: ThumperMX113

Depends on what cold air intake. Pwny I don't buy into that. The cats are keep back pressure. I don't think I've lost any torque, especially according to all of my dyno pulls. I'm running 302 rwhp and 318 rwtq with SLP LMs, VMP 93 octane tune, C&L intake, CMCVs, and UDPs. The numbers seem to be about what everyone is getting even with mufflered set-ups.

Its probably the other mods. If you are bone stock and just SLP's, then you will lose some.
Many people complain about loss of torq with new axlebacks, i felt it with stingers so i know for sure the SLPs will lose some too



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