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Exhaust delete on NON-NPP? Throw codes?

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Old 08-12-2015, 09:31 PM
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DBR9 KLR
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Default Exhaust delete on NON-NPP? Throw codes?
Non-NPP exhaust isn't very loud, even after swapping to high performance muffler. I know some guys have had mufflers replaced with pipes, any codes being thrown on a non-NPP car? Back pressure code or anything?
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Old 08-13-2015, 01:47 PM
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Kev4
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Originally Posted by DBR9 KLR
Non-NPP exhaust isn't very loud, even after swapping to high performance muffler. I know some guys have had mufflers replaced with pipes, any codes being thrown on a non-NPP car? Back pressure code or anything?
No Codes. Great sound with muffler delete process. There are threads of this. C7Jake and kev4 for your questions
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