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Mercury Grand Marquis Magnaflow Exhaust, Mufflers & Tips

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Latest Customer Reviews

Magnaflow Catalytic Converters - 49 State Legal Reviews


Better than stock

Reviewed By Jason H (Carrollton, TX) Reviewed for a 1988 Mercury Grand Marquis —6/9/2009 8:42 PM

But not high flow. They allow a little better flow than the original converters, but not much more. They do sound better though. If I can get true duals on my car, they may work even better and the y pipe may be the main issue I'm having. Installation was a cake walk. Getting the old ones off was a pain, but these went on very easily. Would have been better if they matched up to the OE air injection without modification, but that's not a big deal.

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Magnaflow Exhaust Systems Reviews


The Magnaflow exhaust

Reviewed By Anthony G (Lake Ronkonkoma, NY) Reviewed for a 2009 Nissan Titan —5/1/2015 3:27 PM

Its a great system!!! it took me about 4 hrs to install, mostly do to the fact that the bolts on the converter were rusted solid, so I had the use a cutoff wheel and drilled out and replaced with new stainless steel bolts and nuts. Outside of that, it went very fast, looks great, sounds awesome and seems to give some more horse power.

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Magnaflow Y-Pipes Reviews


2011 Hemi Ram.

Reviewed By Joseph H (OMAHA, NE) Reviewed for a 2011 Dodge Ram —4/29/2015 4:30 AM

This y pipe replaces the crimped end to your stock y pipe. Unless you can weld and bend pipe, you need to go to an exhaust shop. I had them replace the pipe under the transmission while they were at it. That pipe has a flat spot that runs along it. My shop charged $100 for everything, well worth it too. Improved throttle response slightly and fuel economy.

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