opinions on mods

[RaysZ71]

I am putting a plan together for mods to the Suburban.

 

Current: Removed the airbox lid and using a K&N Filter. Removed the air restrictor from the throttle body blade.

 

Plans:

 

Cat back exhaust either dual 2 1/4 or a single 3"

 

Under drive pulleys

 

Wait for me tune.

 

any opinions on these.....

[Nice rig]

I've heard more good things about the waitforme tune than bad. The underdrive system will allow you to get up through the rpm range a little faster. I think the dual 2 1/4 pipes coming out will look better. There are oodles of exhaust systems out there...do a search for exhaust and you come across borla, corsa, flowmaster, everyone has different experiences with different setups.

[2004GMC1500CC]

I am putting a plan together for mods to the Suburban.

 

Current:  Removed the airbox lid and using a K&N Filter.  Removed the air restrictor from the throttle body blade.

 

Plans:

 

Cat back exhaust either dual 2 1/4 or a single 3"

 

Under drive pulleys

 

Wait for me tune.

 

any opinions on these.....

 

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The only thing I would spend the money on is the tune. The rest won't net you anything noticeable except maybe noise.