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06-30-2009, 11:27 PM #1
- Join Date
- Jun 2009
Chevy Silverado NBS - I have an exahaust question.
just a quick question..i have a 2007 NBS silverado crew cab..5.3 with active fuel management,go from 8 cyl to 4 cyl...
question is-> can i put an aftermarket performance muffler(other than GM) without having problems with the fuel management acting up?? was told i couldn't do this,cause it caused the 8 to 4 mode to act up..any info on this would be helpful..Thanks
06-30-2009, 11:45 PM #2
It will not cause any problems, get what you like99 K1500 Suburban LT "THE BEAST"
Hypertech III, K&N, true dual
07-01-2009, 02:26 AM #3
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- Apr 2009
- Fresno California
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