Quietish 2.5 full exhaust.

[TheLorax]

Does anyone have anything like this? I'm trying to figure out what to do for exhaust. I want a full 2.5 turbo back for power but I don't want to stand out from exhaust sound.
Here's what I have in mind.
ZZP down and mid pipe with a hooker maxflow header. Unsure on whether or not I want to get a resonator. It adds extra cost but it will probably quiet it down and I probably should.
So basically in a nutshell I want maximum 2.5" flow without it being much louder than stock at normal rpm levels. Does anyone else already have something similar or am I the first to try this on the sonic?

 

[rdss]

I'd run the ZZP turbo back with a resonator and muffler. I had the down pipe, test pipe and SLP cat back with SLP resonator and a magnaflow muffler and it was perfect. If you go ZZP you can afford to swap a muffler or resonator here or there and it won't break the bank.

 

[TheLorax]

That's what I was thinking. I emailed ZZP and they didn't seem too keen on using a different muffler than the ones they have themselves. The hooker should fit right? It's more of traditional shaped muffler than the oval looking ones they use.

 

[rdss]

I'd have to look into that. Their round resonator is fine, it's the muffler that you might want to change, the SLP muffler was chambered and caused droan which is why I went with the 14"x6" round Mangaflow for the muffler section. You have plenty of room for round or oval mufflers aft of the rear axel.

 

[TheLorax]

That's what I was afraid of. It seems there isn't much of a market for super quiet round style mufflers.

 

[rdss]

Buy the muffler and resonator you want and find a good muffler shop that can do mandrel bends and have them build you a cat back. At least you'll get exactly what you want.

 

[TheLorax]

Yeah that's probably my best bet. I think I'm going to go with the hooker muffler. Still not sure on a resonator.

 

[rdss]

I'm a huge Magnaflow fan, they make great products.

 

[$ub$onic]

I'm a huge Magnaflow fan, they make great products.

Agreed, so far I have loved All of their products

 

[ripper806]

Quiet exhaust

You may try a Dynomax bullet for a resonator, and another muffler idea might be the Dynomax VT series. Awesome little muffler with a valve type cutout, thats quiet when at low rpm's and wide open performance sound at full throttle.

Bullet is around $45
VT muffler is around $100

 

[ungawd]

You may try a Dynomax bullet for a resonator, and another muffler idea might be the Dynomax VT series. Awesome little muffler with a valve type cutout, thats quiet when at low rpm's and wide open performance sound at full throttle.

Bullet is around $45
VT muffler is around $100

That's basically my setup and I like it. My valve rattles in the VT at certain pressures but it's fixed in the new models.

I have the ZZP turbo-back pipes with a Magnaflow resonator (18" iirc), Dynomax VT oval muffler, and a 2.5" mandrel bent turn-down tucked tight under. This setup isn't attention-grabbing unless you punch it. It's pretty mean and semi-loud at WOT.

 

[Black Turbo LTZ]

I have the full ZZP Turbo back(w muffler) just had a dual chamber 14" resonator installed on the line this AM because it was too loud for my overall liking and for my daughters ears. With the resonator I don't even hear the car at highway speeds and barely anything at idle. WOT you get a good tone but not overwhelming.

 

[Tweaterben]

I went with Borla Cat-back, and it is NOT loud, and it is not that "rice-rocket" whining either. It's quiet and throaty

 

[bandita52]

Is it 2.5" for the diameter of the exhaust. I would like to get my car to sound a little lower than stock but not spend a lot of $ plus still have warranty with my exhaust.