See All 19 Photos Because of catalytic converter sizing and the general fit, the X-shape crossover section is 2.5 inches in diameter, while the exhaust pipes step up to a 3-inch tubing.

Not sure what size exhaust your vehicle needs? Learn how to choose the right diameter and what can go wrong if it’s too big ...

The Power of 2.5- vs. 3-Inch Exhaust You're sitting around with your typical street/strip V-8 and wondering, should I get 2.5-inch-diameter exhaust pipes and mufflers, or should I go 3-inch?

Since Lester makes a serious 560 hp, a 3-inch system seemed an ideal choice ... to his shop and spent a day massaging the pipes. An exhaust system may not be very romantic, but when installed ...

After idling for a second, the driver gives us a few revs, with the new pipes providing a nice ... the new Chevy Silverado ZR2 cat-back exhaust includes 3-inch and 2.5-inch piping, providing ...

See All 31 Photos The truth is that, based on power output and use, a 3-inch exhaust isn't always the right moveand the same can be said of long tube headers. And while stainless pipes are always ...

Aftermarket performance exhaust specialist MBRP is launching a new line of 3-inch cat-back exhaust upgrades for the 2023 Chevy Colorado and 2023 GMC Canyon. MBRP claims that the new exhaust ...