Thread: 2011 Camaro SS - TSP 427 Initial start up stock ECU tune
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Old 02-25-2024, 05:33 AM   #4
donmeca
 
Drives: 2013 camaro ss
Join Date: Nov 2018
Location: il
Posts: 49
TSP 427
Was your TSP 427 The Executioner? If it is how has it been holding up?
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