Just installed tsp 2" longtubes, literally finished about 2 hours ago lol. I'll have dyno numbers fri I hope. Quality and fit are great, no touching or rubbing anywhere
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2013 AGM m6 zl1-airaid cai, 9.55" crank pulley and jre tuning, 2" tsp longtubes, FAST 85lb injectors...630/627 
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