help?!

[peanutshoe]

I just recently got a 2005 Chevy Tahoe and I need a few pointers and advice to help me get a few more horses from my hoe when I bought it it already had a cai I just put some msd wires and ngk spark plugs any more suggestions please help! !!!!

 

[MRS.Z-56_Hoe]

Headers, free flow cats, cat delete.

 

[Z-56 Hoe]

What my wife said and re gearing to a lower gear. It won't give you more power it will just change you power bands , a tune, a blower, or turbo, exhaust ,