what size inlet on the greddy muffler?
2.5" or 2.75"
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2008 CHEVY COBALT SS TURBO
FULL BOLT-ONS AND TUNED WITH STOCK TURBO
24SPI HP-TUNE by Terminator2 (317WHP/387WTQ - 12.9 @112MPH)
LOTS OF NEW PARTS, 63K MILES AND COUNTING $13,000 OBO