GT Performance Mods 2005+ Mustang GT Performance and Technical Information

SLP Loudmouths installed

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Old 5/27/06, 01:04 PM
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SLP Loudmouths installed

I installed my loudmouths yesterday. It took me about an hour and a half, and that was including figuring out how to do it. It was also my first time installing anything more than a sticker on a car. I took a video, but I have never done it before so I will have to figure out how to post it.

I LOVE the sound, it sounds perfect at idle, mean at partial throttle and just viscious at WOT!
Attached Thumbnails SLP Loudmouths installed-slp-full-1.jpg   SLP Loudmouths installed-slp-1.jpg  
Old 5/27/06, 03:25 PM
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I like them too. I installed mine yesterday. With the Loudmouths and my FRPP shorty headers, it sounds great. Thanks to Shea for the axle back swap.
Old 5/27/06, 06:36 PM
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I've got the SLP Loudmouths also.

Sound great. At WOT sounds like a nitro burning funny car. I sometimes look over next to me at the other car when I punch it so see the look on the other guys face. Sometimes they jump up in the air.
Old 5/27/06, 09:51 PM
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SLP is awesome. I love mine too!!
Old 5/27/06, 10:17 PM
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i still think the SLP's sounded the best overall with the stock mid-pipe. The SLPs with the o/R pipe was horrible and the O/R pipe with stock mufflers was horrible. The O/R pipe and the FRPP's sounds second best in terms of sound quality to me but as far as loudness the O/R pipe and FRPP's takes the cake easy still sounding deep and muscle car like. it growls.
Old 5/27/06, 11:19 PM
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Here is a video of them at idle, I have to do another one revving as I messed it up. Enjoy Yes I know they are SLP and not ALP like I put in the description, darn laptop keyboard.

http://videos.streetfire.net/video/4...b6112eadaa.htm
Old 5/27/06, 11:51 PM
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Originally Posted by 94tbird
i still think the SLP's sounded the best overall with the stock mid-pipe.
+1 for sure


Originally Posted by 94tbird
The SLPs with the o/R pipe was horrible
+1 again


Originally Posted by 94tbird
The O/R pipe and the FRPP's sounds second best in terms of sound quality to me but as far as loudness the O/R pipe and FRPP's takes the cake easy still sounding deep and muscle car like. it growls.
I haven't tried that combo, but with LTs and hi-flow cats, I ended up liking the Bassanis on there (no trumpeting, and good sound).
Old 5/28/06, 08:49 PM
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Right there with you guys on the Loudmouths. I love mine and really love that sound at WOT
Old 5/28/06, 11:43 PM
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I had LM on for about a week.

Wifey said they had to go so I sold them

LM did not pass the W.A.F.
So i'm back to using stock cans.
Old 5/29/06, 07:19 AM
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Originally Posted by LordBritish
I had LM on for about a week.

Wifey said they had to go so I sold them

LM did not pass the W.A.F.
So i'm back to using stock cans.

Wife or the Loud Mouths?
Old 5/29/06, 08:45 AM
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I miss my LM's. Still waiting for my hi-flow cats to arrive to see how they sound on the o/r H with Flows.
Old 5/29/06, 10:13 AM
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Originally Posted by LordBritish
I had LM on for about a week.

Wifey said they had to go so I sold them

LM did not pass the W.A.F.
So i'm back to using stock cans.
My wife was pissed that I removed the LMs after I installed the LTs. She apparently didn't mind the trumpeting as much as I did.
Old 5/29/06, 09:06 PM
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I'm thinking about going witht he SLPs, but I have a question. Whats the difference between the SLPs and just going to an Exhaust Shop to get tips put in to replace the Stock muffs. Seems a lot cheaper to me... ????
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