how to make a 6.7 cummins louder without delete

how to make a 6.7 cummins louder without delete

Increasing the exhaust note or making a 6.7 Cummins engine louder without performing a full delete involves modifying the exhaust system while retaining the emission components. Keep in mind that such modifications may still affect emissions compliance and could void your warranty, so it’s essential to check local regulations and warranty terms before proceeding. Here are some ways to make…