Reviewed By Brian M (COOS BAY, OR) Reviewed for a 2014 GMC Sierra —6/20/2017 8:59 PM
Nice easy install, wish it would have come with a new clamp to the cat, cause the hardware on the orginal was a little rusty
Reviewed By Jeff T (Des Moines, IA) Reviewed for a 1999 Dodge Dakota —6/20/2017 3:20 AM
The 12579 is a large case single inlet, single outlet muffler. Internally the exhaust is split running the length of the case rejoining before exiting. The muffler has a nice quiet rumble at idle with no drone at speed. It has a nice performance sound when the throttle blades are opened wide. Install consists of headers, 2 1/4" to 3" Y-pipe, 3" through remainder.
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Adding a performance exhaust system to your ride is a sure way to increase its horsepower, but with several styles to choose from, picking the best exhaust system for your ride can be tricky. That’s why we put together this guide on: How to Shop for the Best Exhaust System. So, read on and enjoy.