Or this, maybe.
Is the ZL1 capable for the track?
By official GM reps, check it out if u didn't see it yet
SLP performance- long tube headers, hi flow cats w/full SLP 3'' PowerFlo exhaust incl/X-pipe, 160 degree stat, SLP Blackwing CAI. Dyno tuned by ECS-407/409RWHP&TQ. BMR fabrication- trailing arms w/poly knuckle bushings, toe links, cradle bushings and differential bushings. Hurst short throw shifter, DSS- level 4 axles, Pfadt- sport swaybars w/HD adjustable links. Best 1/4 mile so far- 12:70ET @ 112.24 MPH w/ 2.06 60'.