mobile-menu-icon
GM Authority

Reply To: 6.2 Denali/Sierra should have dual exhaust!

January 2, 2015 at 8:02 am #81666
594XXC
Participant

As long as the single pipe is big enough to move the sufficient volume of air x at the sufficient pressure y, it really doesn’t make a difference if it is single or dual exhaust.

Subscribe to GM Authority

For around-the-clock GM news coverage

We'll send you one email per day with the latest GM news. It's totally free.