| Take the guesswork out of which parts you need to increase the horsepower of the stock 2012 Camaro ZL1 engine at the flywheel from 580HP up to 625HP with SLP’s Stage 2 Package while significantly improving 0-60, quarter mile and road course times. Each Stage 2 Package includes all of our Stage 1 content - High-Flow Blackwing® drop-in reusable Air-Filter, 160° Thermostat, SLP’s performance-optimized custom ECM tune, plus our 1-3/4" Long-Tube Header Package. All necessary hardware and installation instructions are included.
ZL1 Stage 2 Package contains the following products:
- SLP Hand-Held Programmer w/Custom SLP Tune (#27025)
- Blackwing Air-Filter (#21124)
- 160° Thermostat (#100229)
- 1-3/4" Long-Tube Header Package (#30216)
NOTE: SLP’s performance-optimized custom ECM tune will be sent by email after stock/factory tune is sent to SLP using the DiabloSport Trinity reprogrammer provided in the package. | 
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