Looking for muffler options 2000 Grand Prix GTP

[jweez1105]

Hey husband went under the car to see why the muffler is making such a drone sound in the car. He found that the welds on the muffler are cracked. We wanted to know what we should look for in a quality set of mufflers that produce decent sound without sounding like a honda civic. Lol. Part numbers would be greatly appreciated. Thanks everyone for any advice!


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[chamberlain198437]

Magnaflows are nice. Id stay away from flowmaster the welds blow out. Dynomax are decent to. As long as you have a resonator, it won't be to loud.

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[jweez1105]

Cool thanks. Have you heard anything about SLP's? Or do you know if those would be too loud for a daily driver?


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[spazzz]

I have SLPs without resonator and they are most likely louder than you want, even with a res.

[jweez1105]

Thanks Spazzz, you guys are super helpful!


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[jsnyder49090]

I bought the quiet flow's from advance you can use the coupon codes and get like 40.00 off. You may have to buy a few things to take advantage of the best code.I couldn't even buy a cheap msl thru our shop for cheaper.

[Nates94]

I have magnaflows on my GTP. I love the sound at idle. I have a bit of drone when cruising it's not bad. I don't have a resonator currently. I am thinking about adding one.

Exhaust clip.

https://www.youtube.com/watch?v=lsKBgdu4aD4

Interior, I have a wizaired CAI on it too.

https://www.youtube.com/watch?v=8lZl4ylODls

The part number for the magnaflows I have is 11225

[coolone]

Hooker Max-Flows are the absolute best sounding muffler on this exhaust...

of course there are different opinions, this being mine!

: )

a good link for sound samples...

http://www.nymcgp.com/forum/viewtopic.php?f=8&t=1617

[REDCRAPGP]

Borla xs,

[lewis1952]

I have a 2000 SE 3.1 and run a cat a res and straight pipe. Sounds good

[DanPrixGTP]

Borla xs,

This.

It's what I have, and few others on this forum too.

Borla's will sound the "best" on these cars, in my opinion, but are also the most expensive.

I love my Borla Pro XS's and wouldn't ever go with anything else. Sounds good, but I believe I paid roughly $68 a piece for them on eBay.

[sseilmnop]

Dynomax have VT mufflers which have a valve in them that opens at high flow.

I will try next on my next exhaust.

[osiris94ej]

Dynomax has VT mufflers which have a valve in them that opens at high flow.

I will try next on my next exhaust.

Fixed.


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[sseilmnop]

Thanks.

The VT's look interesting. Some on eBay for $69 each right now

"VT (Valve Technology) Stainless Steel Muffler
17156"

[ItHurtz]

Summit/dynomax/thrush super turbo, nice and deep