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  1. Performance Modifications
    I have 2015 Challenger RT Scat Pack...392 HEMI, I have added the hellcat - headlight air box/tube. etc. My question is, Ported polished 87mm Throttle body...worth it or a waste? Forgetting the money, I know the price is a little steep, but performance wise? This one is cheaper, but...
  2. Vendor Deals
    $50 FORUM DISCOUNT on Intake Manifold Porting thru 3/31/14 $50.00 DISCOUNT to all forum members on PEAK SPEED SHOP Porting Services! Sale ends March 31, 2014. Gain Horsepower and Torque by having your intake manifold ported by PEAK SPEED SHOP! Factory Plenum Before Porting (Hemi 392)...
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