What is Louder AXLE BACK SLP or AMERICAN THUNDER FLOWMASTER??? - Page 2 - Ford Mustang Forum
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ty

Quote:
Originally Posted by discodave View Post
The SLPs are pretty much just a straight pipe with a resonating tip that creates the signature SLP sound. It's all in the tip and the way it's shaped. It is street legal in all 50 states.
Thanks Disco, appreciate the info.


2007 GT Premium. Keep Stangin' Baby!!

Last edited by EAZZY 1; 05-17-2010 at 12:24 PM. Reason: sp error
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I like my flowmaster american thunder ! It's plenty loud for me and produces good tone

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I have SLP Loudmouths on both my 07 v6 and our 09 gt. Definately louder than the american.

2007 Performance White V6 Automatic
|SLP Loudmouths|Pony Package|35% tint|
|Cervini Ram Air Hood w/functional Ram Air Kit|Glasspacks|
|Smoked LED Tailights|GT grille|GT front bumper|CAI|
|GT Rear Bumper|Rear Blackout Panel|Custom X Pipe|
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Based on weeks of research and countless YouTube videos I am officially buying SLP Loudmouths today and this thread definitely seals the deal. My city is full of Honda ricers with giant tin can exhausts. Mustangs are rare here and GTs even rarer so it's time to show them what a real car sounds like

2007 Mustang GT Convertible (Automatic)
Black with Red leather seats--Shaker 1000 Sound System--Steeda CAI--SCT tuned--SLP LOUDmouth axle-backs--Smoked Covers: headlights, taillights, turn signals--20% tint all around

How rare is my GT?
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Originally Posted by IansBAJ View Post
Well it looks kind of medium rare with that red in the middle
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yall already know what i'm gonna say.....boom tubes FTW:kooky:

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I can't compare. I had Flowmasters 40's on my 94. and SLPs on my 2010 GT and I will say the SLP are definitely louder. The missus tells me they make her entire car shake when I start it up in front of her car. I don't think she's complaining, In fact on an oft-occasion she asks me to do it for no reason at all... Any thoughts? haha.
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