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i have 2005 sierra step side single cab, its stock. how can I get more horsepower? open to all ideas. thanks.

An cheap suggestion is Rewitec. Is a new product, German technology. "Rewitec is a onetime mechanical treatment that permanently protects from abrasive wear and reconditions metal surfaces in engines"

check their web site rewitec.us

I found their product on ebay



good luck

well you could start with your basic screw ons. exhaust, intake, and a chip from there you could get a little deeper into it and some internals like a cam and new heads and if you really want to get crazy just do forced induction supercharger

I',d start off with a K&,N high performance air filter, a flowmaster exhaust manifold, and pending your financial situation, a Stage two Turbo kit.



Bam, hp.