converting from loudmouth to true duals
Thread Starter
On The Tree
Joined: May 2002
Posts: 101
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From: Columbia, South Carolina
converting from loudmouth to true duals I currently have the slp loudmouth with stock manifolds on my 2000 TA and wanted to go with a true dual setup that exits from the rear. How much hp gains can I expect by switching? I'm planning on going with the Dr Gas X pipe and haven't decided on the muffler yet. Does anyone have any sound clips of a true dual setup with stock manifolds. Most of the ones on ls1sound.com have headers. Thanks
Not quite sure on the exact hp numbers, since that will be dependant on your choice of mufflers. Dr. gas make a great flowing x-pipe so you should have a powe producing, non-raspy sounding exhaust.
TECH Addict
Joined: Jun 2005
Posts: 2,660
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From: England
Originally Posted by blkZ28spt
Get some longtubes first.
I went from stock manifolds and loudmouth to LT's with duals and it was a HUGE difference.
I went from stock manifolds and loudmouth to LT's with duals and it was a HUGE difference.
To the original poster.
It's all about flow rate. The stock mid pipe (Y) is pretty poor. So replacing it with an after market Y/X/H will all offer HP gains.
The SLP cat back flows pretty good, so unless you are producing upwards of 400bhp the dual's them self will probably offer little or nothing over the loudmouth.
IMO if you're going to the money and hassel of duals mights as well do the headers too. You will definatley see gains if you do.
