09-15-2015, 03:15 AM
(09-14-2015, 09:30 AM)WhiskeyUSMC1979_imp Wrote: Been covered a couple times, with at least one member completely gutting his stock can. For a little more sound, I removed the end cap of the stock can and drilled 3 half inch holes around the center pipe in the rear baffle. This adds a small amount of added "growl" to the exhaust tone. An aftermarket exhaust is the only way to get a truly louder tone.
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Did this change the back pressure and did it require any remapping to avoid popping?