Thread: exhaust
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Old 01-27-2013, 03:49 PM
99 V10 99 V10 is offline
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Join Date: Nov 2012
Posts: 110
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Vehicle: 1996 SLT
Trim Level: SLT
Engine: 1994-2001 488ci (8.0L) LA V10 300 hp 450lb/ft
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The MagnaFlow muffler is shorter than the stock one so pipe has to be added someplace to make up for the length difference. By moving the muffler back you cut a very small amount of heat from the cats to the muffler. The muffler is stainless steel so heat won't hurt it. As I remember the two pipes needed a slight bend to fit. My tailpipe was Mandel bent so the installer wanted to leave it alone. Because a 3" mandel bend tailpipe will flow more exhaust cleaner than a 3.5" maybe even a 4" pipe bent on a plain tubing bender.
See people miss that kind of stuff. The manufactures spend millions on R&D figuring out the little things like that. Then guys think they know better & start changing stuff & wonder why things are not better.
But no matter what you do the V-10 kind of sound like the old split manifolds that guys used on the 50s Chevy I-6s. I just wanted better flowing exhaust & wasn't after noise, just a mellow tone.
Did it make much difference I think it gave me a little more power (maybe) gas mileage if it improved it was in thousands not mpg or even a few tens.

Last edited by 99 V10; 01-27-2013 at 03:58 PM.
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