Install video of a Bully Dog Rapid Flow Exhaust system on a GM Duramax truck Bully Dog Technologies.
This is pointless if you don’t delete the cat…it is one of the most restrictive parts of the exhaust!
Are u serious not even gonna turn it over?
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This is pointless if you don’t delete the cat…it is one of the most
restrictive parts of the exhaust!
Are u serious not even gonna turn it over?