This is a discussion on Loudmouth II within the External Engine forums, part of the LSx Technical Help Section category; That y-pipe is for shorties with stock cats, or stock exhaust manifolds with stock cats. Not for Lt's. They claim ...
05-15-2006, 02:42 PM #21
That y-pipe is for shorties with stock cats, or stock exhaust manifolds with stock cats. Not for Lt's. They claim up to 10 additional hp Thats ridiculous! I could see it if you had a Vortec pushin air in. Anyways don't buy that y-pipe if you plan on getting Lt's.
05-15-2006, 03:00 PM #22
Originally Posted by Huskerz1
- Join Date
- Feb 2006
- 98 Trans Am
I totally agree! Dyno testing has shown +2 to -2 rwhp gains or losses. I guess you could say it doesn't do much of anything.
05-15-2006, 04:57 PM #23
alright thanks for the help i think im just gonna save my money and my cam.
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