Originally Posted by 3.7 silvrbullet
I just installed an off-road x pipe on my 2013 mustang gt and no check engine light turned on I don't have a tune either
If you just installed it may not have tripped the light yet. Mine didn't turn on for about 50 miles. Though we are talking about different model years.
Sent from my SAMSUNG-SM-G920AZ using Mustang Evolution mobile app