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07-19-2006, 03:14 PM #1Junior Member
- Join Date
- Jul 2006
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- Athens GA
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black- 2002 GMC Sierra Denali
Input on Sierra exhaust system upgrade
I am looking for the best exhaust system to improve fuel efficiency and performance for a 2002 GMC Sierra Denali w/ LQ4 engine. Any information or suggestions would be appreciated. You may email me directly, if you wish.
OS
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