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Showing results for tags '2012 sierra'.
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I have a 2012 GMC Sierra 1500 with 2.75" exhaust pipe. I am wanting to delete my muffler and add a glasspack without welding. Problem is, I can't find any adapters to fit anything. Do I go with a 3" or a 2.5" glasspack? And whichever one I go with, what size adapters/reducers do I use? The muffler shops in this area charge around $350 for this work, so that's the reason for doing it myself. I appreciate any help given!!
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- 2012 sierra
- Glasspack
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Does anyone know a good shop in the Nashville Tn are that does diff gear swaps ? I pull a 26 foot camper loaded weight is about 7k . I have 3.08 gears and i want to swap to a 3.73 or 4.10 . Anyone have 4.10 gears ? What MPG are you getting ?