Exhaust Slp Loudmouth 1's On My 98 Gt Too Loud?

Nick D · Sep 17, 2013

I recently bought a 98 GT and started to put mods on it. I already have installed a CAI, Planning to install a 70mm Throttle body, and now I am going to install aftermarket mufflers/resonators in my car. I love the sound of the SLP Loudmouth 1's but i am concerned if they are too loud. i will be installing these with the stock exhaust system but in the future i may install a catted x - pipe. i leave every weekday at 7am and don't want to wake up any of the neighbors. Do any of you have these installed? Are they too loud for a neighborhood?

94GTCoupe · Sep 17, 2013

It'll only be too loud if you use an o/r mid pipe.
As long as you have cats you'll be fine.

Deleted member 38176 · Sep 17, 2013

davis3 said:
It'll only be too loud if you use an o/r mid pipe.
As long as you have cats you'll be fine.

+1

sneaky98gt · Sep 17, 2013

Without cats, LM1s are obnoxiously loud and sound terrible to me.

With a high-flow catted midpipe, they'll still be plenty loud. My granddad has LM2s (quieter than LM1s) with a catted midpipe on his 04 Mach 1, and it's easily as loud as my car (non-catted Prochamber with 2-chamber Flowmasters) under any kind of load. Unless it was a track or weekend-only car, catted mid + LM2s is about as loud as I'd go. All personal preference, though.

COramprat · Sep 23, 2013

Should be able to go on youtube and find a lot of vids for different exhaust combos

TurdstangGT · Sep 25, 2013

I have SLP LM1's and at the time of purchase/installation, I had the stock h pipe. I have recently installed a BBK O/R X Pipe and am now looking for chambered mufflers because the LM1 O/R x pipe combo is just too loud. Although the LM1's sound really good in my opinion, but they are way too loud for a DD. Hope this helps.

Nick D · Sep 25, 2013

thanks for all the replys, i just bought the slp loudmouth's 1's and will install them with the stock H pipe, then in the future, i will change the catbacks

madspeed · Sep 25, 2013

why are we swapping mufflers in with the rest of the exhaust being stock? Save your time and money and do it all at once. Scour craiglist or the classifieds to get what you want. Sucks being stuck under your car hammering and wrenching away only to do it again in a few months

Nick D · Sep 25, 2013

well right now it's an idea to change the cats, but if the mufflers satisfy me, i will keep them

TurdstangGT · Sep 25, 2013

Nick D said:
well right now it's an idea to change the cats, but if the mufflers satisfy me, i will keep them

With cats, high flow or not. You will be more than satisfied. I know I was before I got my O/R X Pipe. I still, but daily driving is quite the headache now.

Nick D · Sep 25, 2013

Great! i can't wait until they come, and yes i do think X pipes will be too loud

TurdstangGT · Sep 25, 2013

Nick D said:
Great! i can't wait until they come, and yes i do think X pipes will be too loud

O/R X pipes with chambered mufflers are the perfect tone.

COramprat · Sep 26, 2013

I had an H and a Prochamber through stock muffs and it sounded pretty good.

Exhaust Slp Loudmouth 1's On My 98 Gt Too Loud?

Nick D

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94GTCoupe

Deleted member 38176

sneaky98gt

COramprat

...I can take it. I think.

TurdstangGT

Active Member

Nick D

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madspeed

Colonel Mustard

Nick D

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TurdstangGT

Active Member

Nick D

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TurdstangGT

Active Member

COramprat

...I can take it. I think.

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