Hello everyone, I am new poster here to LS1tech but have been reading the forums now for about a month. I was wanting a new vehicle for awhile but wanted something I could haul my 4-wheeler around in as well as performance. My buddy owns a lightning and I have thought about 1 but have never really been a big Ford fan. Don't get me wrong they are an awesome truck but reading the forums made me realize the potential the 5.3 has so I took the plunge and bought a Black 04 GMC Sierra RCSB with the 5.3 The first thing I want to do to her is exhaust. Has anyone ran a 3 chamber flowmaster on thier truck? I used to have true duals on my 73 chevy 350 with heads/cam/intake/headers and it sounded mean at high RPM. And is it better to go true duals, or stick with the y-pipe and do a cat back exhaust.

 

Hey , welcome to the board!! Im running a 40 series 2 chamber single/dual on mine so I can really suggest the best for your exhaust but the ther guys canYou can find plenty of info and lots of members that dont mind sharing there experiences. Ive just joined not long ago and im glad I did!!

 

Welcome to the site. I would get the Magnaflow CatBack if I were you. (I did) The sound is not too overwhelming and the power increase is second to none. Also, the system is really made well, being all stainless steel with a polished stainless muffler and tip. Its about the same money as a flowmaster.

 

Welcome to the boards! I like the sound of Flowmaster's, but the performance gains aren't the best. I've not ever used Magnaflow, but I do have a set of Hooker AeroChamber's ready to take a trip to the exhaust shop when I get mine back on the road.

Hang around and we can get you outrunning that L in no time.

 

Flyer is right,

With my old N/A setup on your truck and sticky tires you'd be solid in the low/mid 13s!

BTW, Flows don't get rave reviews by hardcore LSx guys.

 

Magnaflow all the way

 

Welcome to the site.........^what he said^