Thread: [For Sale] Stillen 409 Stainless Headers
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Old 09-25-2011, 07:59 PM   #14 (permalink)
Siciliano15
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Quote:
Originally Posted by joshs09slvrZ View Post
Hmm...just finished installing my HFC and CBE. Seems like headers is the last I can do for bolt ons. You think I could get another 15hp with these after everything I've done so far?
yea if uve done all of the other main bolt-ons then these should get you another 15 hp or so. the more mods you do the more they make a difference. if the car was 100% stock id say around 10hp but you should get close to 15
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