SLP
 

Okay, I had SLP LM1's on my 04 gt, and I want the same sound on my 08. I'm gonna go muffler delete, but I would like SLP tips. Should I buy the SLP system, pypes muffler delete, or go to a muffler shop? If I go to a muffler shop, would I be able to put SLP tips on just an off brand / shop brand muffler delete? Which would be cheapest?

You can buy the SLP tips and go to a shop and have them cut out the muffler and weld in the tips and pipe to replace the muffler. That's how my car is, just pipes welded in where the mufflers should be.