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Old 09-03-2012, 04:33 PM   #4
RandallNeighbour
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Join Date: Jul 2004
Location: Houston, Texas
Posts: 7,243
I have both. No idea if there's drone from headers and stock cats and stock muffler. Muffler is gloriously loud and lovely with the top down, but the cabin drone with the top up is deafening if you hang around 2800 rpm.

Gives about 18 hp bump on a 2.5 over stock without reflashing the ECU.

No ground clearance issues, but you will have to wrap one of your AC lines and zip tie it to something to keep it from rubbing up against the headers, which are a lot larger than stock headers. O2 sensors fit fine.

Quality and fitment seem to be good.

Hope this helps!
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