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BigdaddyDupree · 04-16-2009, 07:27 AM

can you tune an 03 avalanche? my mom has one with headers and exhaust and all that we wanna get done. i can get you a few 99 and newer to tune. just PM me if interested

04-16-2009, 07:27 AM	#14
BigdaddyDupree Senior Member Join Date: Jul 2008 Location: MACEDONIA Posts: 4,967	can you tune an 03 avalanche? my mom has one with headers and exhaust and all that we wanna get done. i can get you a few 99 and newer to tune. just PM me if interested __________________ . What you wanna do?