How can I make my 1984 Grand Marquis' 302 sound like a V8?

585

Asked by Dec 12, 2014 at 12:36 PM about the 1984 Mercury Grand Marquis

Question type: Car Customization

My 1984 Grand Marquis runs just fine, but its 302 V8 sounds like a V6 with the OEM muffler.

As soon as the old unit croaks, I'd like to install a muffler that at least brings out that typical V8 sound. Nothing aggressive, mind you, that would be out of character for a mild boulevard cruiser like the Merc, but something with a distinctive, easily recognizable V8 exhaust note, a rich, mellow throb.

Parts stores list only the omnipresent Walker mufflers, but they'll probably sound just like the one in the car now.

What can I do? Ideas and suggestions are most welcome.

5 Answers

17,370

Look at mufflers for the Mercury Marauder. It was a bad ass version of the Grand Marquis with dual exhaust. Either that or get Flow Masters that have the same size inlet n outlet as the factory ones for your Marquis

1 out of 1 people think this is helpful.
4,925

People have also been using glass pack mufflers for over 40 years.

17,370

Glass pack mufflers are great if you like a extremely loud exhaust that will get you noticed by the police, piss off your neighbors and want to replace them every year or so then by all means put those on, LOL.

1,445

Go to a muffler shop & buy a Flow Master cat back exhaust system with larger dia. pipes, a performance catilittic convertor & mufflers.. Some shops will bend-up custom pipe(s) for you too. I put a Raven single 3" exhaust on a Chevy truck. It sounded so cool as it rumbled. A 3" single exhaust will flow more than duals & resonate better. The difference between a trumpet & a tuba.

1 out of 1 people think this is helpful.
17,370

James is right. Like anything custom on a car it just all depends how much money you want to spend.

1 out of 1 people think this is helpful.

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