If Anyone out there with an old Magnacharger side mount unit on your trucks, Magnuson will give you credit for your complete kit towards the purchase of a RADIX kit 99-07(classic) 4.8,5.3,and 6.0L, 07 trucks and suv's 4.8,5.3L only! If you are intrested send me a pm. This applys to retail customer's only.