Preorder #3 Came sooner than expected. Demand seemed to trickle off and we expected to keep a couple sets on hand, but now we are out. If we can get a few people to commit we'll go through with round 3.   Approximate delivery: May/June   Fitment: Headers will fit all C6 Base/GS/Z06/ZR1 Midpipe will connect to our Ultimate NPP or any C6Z/ZR1 fitment exhaust. We highly reccomend our Ultimate NPP if you want the ability to hear the screaming exotic sounds while still having the ability to reduce the sound level to manageable level Developed out of the desire to bring the sounds of 8-1 or 180 degree headers to the C6, the 8-4-1 header brings you completely new driving experience.  We didn't stop at just developing an innovative design. We present you a standard of quality generally reserved for small boutique fabricators.   Equal Length 8-4-1  CNC Header and Collector Flanges Incomparable In Design Incomparable In Quality Incomparable in Driving Experience  * Dyno results from a cam/header only LS3 C6. +37 WHP+32 FT Lbs