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I have a 2003 Silverado ext cab. I am painting it and taking off all dents and what not. Im adding lights, grille, tires and what not.

My question is...

What can I add to help performance? like flowmaster and etc.


thanks
 

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Discussion Starter #2
Need help on improving performance...

I have a 2003 Silverado ext cab. I am painting it and taking off all dents and what not. Im adding lights, grille, tires and what not.

My question is...

What can I add to help performance? like flowmaster and etc.


thanks
 

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*********threads merged, please no more than one thread per topic***************

---------- Post added at 04:05 PM ---------- Previous post was at 04:04 PM ----------

Searching the forums a bit will bring up a lot of threads pertaining to your question as well. there have been a lot using the year of truck that you are.
 

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many people put headers on, if it was me i would put longtubes on just due to the fact that shorties on your year truck will not see many gains, a good tune will help alot as well as changing the exhaust
 
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