Whats gonna give me more power, duel glass packs or duel turbo?????

 

I can't really tell you with out knowing what kind of truck you have, what engine it's got and any mods you've done to it. On a near stock truck it's not really going to make to much of a differance. Usually a glasspack is more freeflowing and will give you more top end and a turbo style will give you more torque, but wont' flow quiet as much when your engine is wound out. Again, if you truck is close to stock (IE doesn't have any boost or any internal mods) it's not going to make any differance, to be totally honest.

 

I agree...if this is the only change to your exhaust, you won't notice any difference. I pefer turbo mufflers, as they supposedly supplement the torque output when used with headers, and I think they sound MUCH better that 'packs.