LoudMouth to Dyno Mouth conversion
#1
TECH Enthusiast
Thread Starter
Join Date: Jan 2002
Location: Lincolnwood IL
Posts: 595
Likes: 0
Received 0 Likes
on
0 Posts
![](https://ls1tech.com/forums/images/ranks/ls1tech10year.png)
![Default](https://ls1tech.com/forums/images/icons/icon1.gif)
Hey guys,
I have had a LoudMouth & SLP LT's on my car for a couple years now and have loved the sound and intensity of the exhaust note (especially at WOT <img border="0" title="" alt="[Eek!]" src="gr_eek2.gif" /> <img border="0" title="" alt="[Smile]" src="gr_stretch.gif" /> ) I drive my car daily, and even with the LM & LTs it wasn't too rowdy around town as long as i kept the revs below 2000rpm most of the time.
However, I just had a 2800 Vig TC installed, and now the Loudmouth isn't quite as livable around town <img border="0" title="" alt="[Embarrassed]" src="gr_emb.gif" /> <img border="0" title="" alt="[Frown]" src="gr_sad.gif" /> With the higher stall, my car seems to always be around 2000 rpm or more - right in the "drone zone" of the loudmouth.
I have decided to do a DynoMouth conversion in hopes of mellowing out the exhaust note at lower rpms. <img border="0" title="" alt="[Roll Eyes]" src="images/icons/rolleyes.gif" />
Has anyone else done this before to their Loudmouth? If so, how effective was it? How was the overall sound quality? Did you notice (or find) a significant loss of power?I don't want to (and don't expect to) totally suppress the exhaust note, I just want to calm things down a little in the lower rpm range. <img border="0" title="" alt="[Wink]" src="gr_images/icons/wink.gif" />
Anyway, thanks in advance for any feedback <img border="0" alt="[cheers]" title="" src="graemlins/gr_cheers.gif" />
-The Bradster <img border="0" title="" alt="[Cool]" src="gr_images/icons/cool.gif" />
I have had a LoudMouth & SLP LT's on my car for a couple years now and have loved the sound and intensity of the exhaust note (especially at WOT <img border="0" title="" alt="[Eek!]" src="gr_eek2.gif" /> <img border="0" title="" alt="[Smile]" src="gr_stretch.gif" /> ) I drive my car daily, and even with the LM & LTs it wasn't too rowdy around town as long as i kept the revs below 2000rpm most of the time.
However, I just had a 2800 Vig TC installed, and now the Loudmouth isn't quite as livable around town <img border="0" title="" alt="[Embarrassed]" src="gr_emb.gif" /> <img border="0" title="" alt="[Frown]" src="gr_sad.gif" /> With the higher stall, my car seems to always be around 2000 rpm or more - right in the "drone zone" of the loudmouth.
I have decided to do a DynoMouth conversion in hopes of mellowing out the exhaust note at lower rpms. <img border="0" title="" alt="[Roll Eyes]" src="images/icons/rolleyes.gif" />
Has anyone else done this before to their Loudmouth? If so, how effective was it? How was the overall sound quality? Did you notice (or find) a significant loss of power?I don't want to (and don't expect to) totally suppress the exhaust note, I just want to calm things down a little in the lower rpm range. <img border="0" title="" alt="[Wink]" src="gr_images/icons/wink.gif" />
Anyway, thanks in advance for any feedback <img border="0" alt="[cheers]" title="" src="graemlins/gr_cheers.gif" />
-The Bradster <img border="0" title="" alt="[Cool]" src="gr_images/icons/cool.gif" />
#2
TECH Fanatic
Join Date: Nov 2001
Location: I-L-L-I-N-O-I-S
Posts: 1,098
Likes: 0
Received 0 Likes
on
0 Posts
![Default](https://ls1tech.com/forums/images/icons/icon1.gif)
I remember hearing your car at Speed Inc back in the fall after you had the Hotcam installed. Your exhaust set-up could definitely use a dynomax bullet muffler in the I-pipe(it'll still be real loud though because of the higher stall). Or you could just always sell the LM and replace it with another cheap cat-back using a muffler that will quiet things down some.
Mike
Mike
#3
TECH Enthusiast
Thread Starter
Join Date: Jan 2002
Location: Lincolnwood IL
Posts: 595
Likes: 0
Received 0 Likes
on
0 Posts
![](https://ls1tech.com/forums/images/ranks/ls1tech10year.png)
![Default](https://ls1tech.com/forums/images/icons/icon1.gif)
I was thinking the same thing, Mike <img border="0" title="" alt="[Wink]" src="gr_images/icons/wink.gif" /> I figure if doing the Dynomouth thing isn't effective enough, then I'll just get a different (quieter) catback and replace the LM. <img border="0" title="" alt="[Cool]" src="gr_images/icons/cool.gif" />
The Dynomax Bullit just arrived ("18 long one). I'll post the results after I get it installed. I hope it works <img border="0" title="" alt="[Roll Eyes]" src="images/icons/rolleyes.gif" />
-Bradster <img border="0" alt="[judgement]" title="" src="graemlins/gr_judge.gif" />
The Dynomax Bullit just arrived ("18 long one). I'll post the results after I get it installed. I hope it works <img border="0" title="" alt="[Roll Eyes]" src="images/icons/rolleyes.gif" />
-Bradster <img border="0" alt="[judgement]" title="" src="graemlins/gr_judge.gif" />
#4
TECH Enthusiast
Thread Starter
Join Date: Jan 2002
Location: Lincolnwood IL
Posts: 595
Likes: 0
Received 0 Likes
on
0 Posts
![](https://ls1tech.com/forums/images/ranks/ls1tech10year.png)
![Default](https://ls1tech.com/forums/images/icons/icon1.gif)
D'oh!
the dynomax muffler I bought (the 18" long one) is too long to fit on the I-Pipe of the LM without it banging the floorboards <img border="0" title="" alt="[Embarrassed]" src="gr_emb.gif" /> <img border="0" title="" alt="[Frown]" src="gr_sad.gif" />
I have to order a shorter bullet muffler(16" or less) in order to make it work with my system.
I think I'll just go ahead and get a Borla muffler (the right size) that will work - they're pricey, but at least it will be stainless steel to match the rest of the exhaust system.
.......anybody wanna buy a 18" Dynomax Bullet muffler (3" in/out pipes)? <img border="0" title="" alt="[Roll Eyes]" src="images/icons/rolleyes.gif" />
the dynomax muffler I bought (the 18" long one) is too long to fit on the I-Pipe of the LM without it banging the floorboards <img border="0" title="" alt="[Embarrassed]" src="gr_emb.gif" /> <img border="0" title="" alt="[Frown]" src="gr_sad.gif" />
I have to order a shorter bullet muffler(16" or less) in order to make it work with my system.
I think I'll just go ahead and get a Borla muffler (the right size) that will work - they're pricey, but at least it will be stainless steel to match the rest of the exhaust system.
.......anybody wanna buy a 18" Dynomax Bullet muffler (3" in/out pipes)? <img border="0" title="" alt="[Roll Eyes]" src="images/icons/rolleyes.gif" />