Stock Exhaust

[jord79]

After the best part of a year running my daily driver on the MBRP street cat back, I've decided to put the stock exhaust back on. The MBRP is a nice sounding exhaust if you're after a more 'classic' sound - there was just too much of it for daly driving. I think really it was the early morning cold starts that started getting to me.

Anyway, after EXTENSIVE research, I don't think I can get the classic sound I'm after with any off the shelf after market option. There's lots of discussion about this and, as always, is a very subjective topic.

Basically, I think the combination of the Coyote's firing order, variable valve timing, and position of silencers pretty much rules out the possibility of achieving what I'm after. I'd really like to get that hollow, rumbly almost 'truck' like sound like this...

[ame]

Only maybe not as loud. To get anywhere near with the coyote - I think it would need a mid muffler in place of the resonator - well upstream of the tail pipes. There's a few systems that offer some kind of mid section damping, but ultimately they all sound loud and raspy.

A firm called Legato do some nice sounding back boxes and a video on their website shows a before and after of a Dodge Challenger. Before, it sounds similar to many S550 exhaust set ups, but after it sounds like proper old school muscle.

[ame]

This uses 2 mid section mufflers, and I just don't think there's room under the 'stang. Either way as they sell manufacturer direct only, they won't play ball!

Until I find a better option, stock it is. The stock exhaust is nice sounding, just TOO QUIET!

(I don't want much)

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[KevD]

Ive always liked the stock exhaust, M8.

Still got mine in the garage.

 

[v8hgt]

Well you need a H pipe and headers to get that noise. And even then it's not easy on the coyote. That's the sound I wanted too and I narrowed it down to the solo Mach xv or the ARH H pipe thunder. Both with headers. I figure my ARH system is as close as I can get to an old school muscle car noise with cats. Even then it's raspier than the dodge at wot.

 

[Spider]

This is an echoey show room



The XV it's as close as your going to get but quite loud and still sounds a little raspy if you stamp on it but listen nearer the end on tickover

 

[SteveyB]

Mine sounds better just with the resonator replaced by an x-pipe, it probably would be better still with an H-pipe.

 

[Spider]

It's still a bit quiet just replacing the centre resonator but it does rumble a bit more.

 

[jord79]

There's a local exhaust specialist that all the muscle car owners in the area use. I might take it there to see what they think, but I definitely think some sort of mid pipe/muffler would be the solution. The MBRP had an H-Pipe, but I think the straight through nature of the back boxes was just too much. I would experiment a bit with different set ups, but that would be a very costly exercise!

 

[Manders Mustang]

There's a local exhaust specialist that all the muscle car owners in the area use. I might take it there to see what they think, but I definitely think some sort of mid pipe/muffler would be the solution. The MBRP had an H-Pipe, but I think the straight through nature of the back boxes was just too much. I would experiment a bit with different set ups, but that would be a very costly exercise!

Try a resonator delete and replace it with a hpipe go for a UPR one to keep it the same diameter as the stock one. Think [MENTION=21881]MustangMustHaves[/MENTION] have some for sale at dirty cheap money.

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