quick view Choose Options R9K TUNED R9K 4-2-1 "Tri-Y" Race Header MSRP: $870.00 - $1,150.00 Do you track your car and are looking to improve your mid-range for those twisty short tracks? If so, this is the answer. This new design has proven gains over 12whp+ in the mid-range. Tuned lengths and properly sized runners guarantee unrivaled... Choose Options Add to Wish List Add to My Wish List Create New Wish List Compare