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SLP cat back exhaust

  #1  
Old 10-20-2008, 09:30 PM
jaws2008's Avatar

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Location: Lancaster PA
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Default SLP cat back exhaust

I am thinkin about gettin SLP cat back exhaust for my 03 SS. Is it a good deal or not.

I want to replace the headers to the cat by SLP. will this make it sound nice or is just a waste, will it improve power or quickness
 
  #2  
Old 10-21-2008, 04:58 AM
Join Date: Sep 2008
Posts: 88
Default RE: SLP cat back exhaust

SLP is the only aftermarket exhaust to attempt to make any more power.
I don't know how it sounds, but against the other, it will make a noticeable power difference.
 
  #3  
Old 10-21-2008, 09:44 AM
Join Date: Aug 2006
Posts: 1,147
Default RE: SLP cat back exhaust

IMO SLP makes the worse sounding exhaust for the 3800 engine.
 
  #4  
Old 10-21-2008, 03:17 PM
Join Date: Oct 2006
Location: North Fond du Lac, WI
Posts: 3,986
Default RE: SLP cat back exhaust

Alot also has to do with the catalytic converter. When I ran my Random Tech cat with my Dynomax exhaust it had a nice and throaty sound.... or at least for a 6 cyl it did. Problem was that it was way too loud in my neighborhood at 4 am when I went to work.

When I put the SLP cat on with my SLP headers the noise went way down and the sound it a bit different as well. I still like it though but am curious how much HP I lost with putting on that SLP cat. You can really tell the exhaust restriction there.

Other than that another better system would be to just get Flowmaster 40's. Those sound great.
 
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