Yeah, you are going to have to find out yourself. Most of the big name brands have their names embossed on the muffler. If you can't see the name and maybe a model number, take a couple of pictures and we'll see if one of us knows the brand.

And if you can save up for a supercharger and beat him to having it installed, you automatically win. Around $5500 for the TRD supercharger, plus you need a TRD intake with it, plus install. But it's not out yet so you can save money for a little while.

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2007 SR5 Crewmax 5.7L 4x4
Mods: nerf bars, Truxedo tonneau, radar detector power, fog lights, black billet grille, rear differential breather, parking sensors, Line-X, power tailgate lock, hood safety latch mod, one off driving lights behind grille, Pioneer NAV w/ OEM camera, Flowmaster 50 SUV dual/dual, blue LED dash lights, Volant CAI
All mod descriptions and pictures © 2007,2008 by Toxarch. They may be copied only for personal use and the mods may be done for non-profit only.