I've owned my '04 S4 for 6 months and am new to the forum. I am looking for performance upgrades, specifically related to increased HP and torque. My hope is that members reply and we can build a list of upgrades for others to reference.

 

chip, exhuast, ive heard of a superchargr but im not 100% about it

 

Welcome to Audi Forums 99a4audi!

Since you're new... check out the START HERE! (click this link) link to get a rundown of the lingo/vocab here at audiforums.

Then be sure to search the archives when you have a question. Chances are the question has been asked before (probably several times) and the archives will have plenty of information to answer your question. If you still need answers, please feel free to ask questions.

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Exhaust and CAI are obvious choices. A chip is not the greatest investment because the hp gain is small for the dollar investment.