On the 1/4 mile dyno (CA Speedway) mine went from 13.3 - 13.5 @ 108-109 (CAI, Borla ATAK, JBA HF cats) to 12.7-12.9 @ 111-112 (added OBX headers and JRE tune).
Not too shabby......no arguing......they perform!
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2018 ZL1 A10
2011 2SS M6. CAI, ATAK, OBX LTs (JRE tune)
Autoclub Dragway Best ET: 12.785 Dec 3, 2011.
Autoclub Dragway Best MPH: 112.01 Jan 7, 2012
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