Ask him where he can get the muffler for $80 and installed for $30. The muffler price is about right for online pricing, but no shop around here would install it for $30. Cheapest I found was $75 for basic install. $75 won't break the bank, but $30 would be a lot cheaper.

You don't get a lot of gains from the exhaust. You get more from the headers and then some from intake, and a little from exhaust. The stock piping varies in size all the way through. Not sure why they did that. You can gain a little by having the cat back since the piping should be standard all the way through. But again, you don't gain much from exhaust, it's mostly for the sound.

As for which Magnaflow to get, I'm not sure since I didn't look into them too much after hearing about a few reporting drone from the ones that most have installed.

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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.