Wow that's a great deal. Wish this was 4 months ago when I bought mine. What I don't understand is when I first got my car dynoed at r/t tuning they told me I had 423whp which was 555 at the crank but that was with the stillen headers 9lb pulley test pipes and cat back but I would still think you would be pretty close to 525 crank HP with just the 9lb pulley pulley.ppullepp
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