Last Updated: 4/25/15
Magnaflow Universal Mufflers made by Magnaflow

Reviews Universal Mufflers Reviews & Discussions:

"A properly sized Magnaflow, whether you just do a muffler or a cat back system should be a safe bet. The design of a Magnaflow universal mufflers is nothing fancy, which is why they've always been consistent and reliable in delivering improved power (we're"

Posted on 03-27-2014, 04:57 PM

"Flowmasters have restrictive chambers inside them designed simply to make noise. They can be known for both power and mpg loss. Stock has better flow. Magnaflow Universal mufflers are completely straight through."

Posted on 09-13-2012, 04:58 PM

"a stock muffler would probably out perform them. If you do a search here you'll find that most people actually report that gas mileage decreased along with power with the use of a Flowmaster. The Magnaflow Universal mufflers (the style of Magnaflow most Ta"

Posted on 08-06-2012, 10:42 PM

"Hey guys, So I'm buying a magnaflow universal muffler, and I want to put a turn down on the output before the axle. I think I'm getting the 4"x9" Oval 18" body, but what size in/outlets do I need for my 3.4L V6? I think it's 2.5"... please..."

Posted on 10-20-2011, 08:45 AM

"The magnaflow muffler i have is one of the larger ones. its a 5x11x22 oval. makes for a good deep sound. its a magnaflow universal muffler. not too loud, no highway "drone" P/N 14586"

Posted on 09-11-2010, 10:28 PM

"Im going to start to get into it... Im stuck on which exhaust the Flowmaster 40 Daul Tip, or someone offered to build me a custom magnaflow universal and we are going to cut of the tip so its not seen? what would you do?"

Posted on 05-27-2009, 08:02 PM