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GMC Yukon XL Performance Mufflers

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Latest Customer Reviews

Flowmaster 70 Series Big Block II Mufflers Reviews


The Yukon XL hums

Reviewed By Joe S (Boulder, CO) Reviewed for a 2001 GMC Yukon XL —2/3/2010 1:47 PM

Wanted to spruce of the old rig, 2001 GMC Yukon Denali XL, so asked a lot of car guys for advise. The 70 Series seemed to be the choice. The XL is the family car and not a muscle car. Autoeverything price can't be beat. Meineke did an install for $50 as it was essentially a swap. They needed to flute the pipes a bit as stock is 2 5/8 and 70 Series are 2 1/4. Dual in, dual out into a Y with a single exhaust. Experts appear split on benefits of dual exhaust, bigger sound, maybe little power boost. Dual exhaust pipes would have cost another $300 or so. Sounds great and heads turn, but inside the rumble is pleasant. A bigger sound might be great at first, but conversation in the car would suffer. Kept the factory pipes, single outlet. I love starting up the Yukon and I feel the extra power for sure. I can really feel the power on climbs. Also put in an oversized K&N airfilter.

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Flowmaster Super 50 Series SUV Mufflers Reviews


Breath right !

Reviewed By Mark G (Reno, NV) Reviewed for a 1997 GMC Yukon XL —6/5/2006 9:09 PM

I have had a K&N air filter system on my Yukon for years....but it just didn't breath right until I installed the Flowmaster muffler......thanks for the reasonable prices and good customer service !!

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Magnaflow Performance Mufflers Reviews


04 tacoma v6

Reviewed By Rickie D (New Iberia, LA) —1/23/2015 12:24 PM

Muffler was quality in appearence and sounds just as I thought it would not to loud but a nice throaty growl, in fact now I wish id bought the whole package for a true dual exhaust system to give it real breathing ability, my muffler tech says it cant be done on my vehicle, im sure all I need is another cat converter xpipe muffler and tail pipe and it would work, may need to run tailpipes on passenger side because of spare tire blocking pipes(no room to pass between spare and leaf springs),usay?

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