01 Grand Prix GT 3.8L already added K & N Air Filter, (hoping for more power), Thinking of adding headers.Is it worth $900-1100 dollars to add headers to my car? I like sleepers. dregen63@gmail.com

Asked by Sep 09, 2013 at 03:15 AM about the 2001 Pontiac Grand Prix GT

Question type: Car Customization

I got a 2001 Grand Prix GT, 3.8L with 96K. I recently added a K & N air filter to try & get a little more HP. I definately got a little more, but now I'm thinking of adding headers, how much more HP can I get? Would it be worth the cost? Plus, I don't want both headers to connect to a  "Y"  pipe & then run 1 pipe back to the mufflers, then split to 2 exhaust pipes.  I know I need more air flow in for more power, but in order to achieve that, I need to have good air flow out. That's where the headers come into play.  How much more HP can I get with headers? I don't wanna to race it, (only if I have the opportunity to, wink, wink), but I don't want to spend a fortune to do that. Anyone out there got any ideas? Me personnally, I like having the sleeper race car, low profile, so if the time comes, a few bucks hopefully will come with it.    dregen63@gmail.com

3 Answers

210,555

Headers aren't worth the cost of a few extra HP. IMO

1 out of 1 people think this is helpful.
210,555

http://www.summitracing.com/search/Part-Type/Headers/Year/2001/Make/PONTIAC/Model/GRAND-PRIX/

1 out of 1 people think this is helpful.

Also in some States you won't pass emissions testing with headers

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