Quote:
Originally Posted by HP Logic
The Stillen V3's have proven gains on my dyno over 20whp!!....I think thats value for dollar at 500 bux....
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Once you already have exhaust and HFC the gains by adding the Gen3's are minimal and no where near 20hp. Yes, on a stock car they can be 15+ but on a car that already has bolt on's they are only good for another 5-6hp.