Rasp Conquered

[Sick03L]

They cut and welded. Simple. 35 mins. in and out of shop.

Pics?

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[Hurricane]

I ask because I reeeeeeeeeeeeally want the old school rumble/deep exhaust sound on this car. While we enjoyed the Roush kit on the 2014, the rasp is just not for us. Neither is the "POP" crap many of the exhausts offer when letting off the gas or downshifting.

I started with the Roush axle-backs on my GT, then when I decided I wanted something louder, I did a resonator-delete with a Heartthrob H-pipe from American Muscle. I went with the H instead of an X because I read/heard that X-pipes are raspier while H-pipes are deeper. That setup gave me the deep rumble I wanted at idle, but had LOTS of popping and crackling while upshifting, downshifting, coasting, etc. After I put in a CAI and tune though, 99% of the extra noise stopped completely. Now, I'm REALLY happy with my exhaust setup and sound. It's loud as hell during a cold start and under heavy acceleration, but sounds deep and wonderful at idle and when I enter/leave our neighborhood at low RPMs. The neighbors appreciate that. ;)

Here's a quick video of the sound. It's just after a cold start, so the RPMs are higher at the beginning of the clip, then drop down after I rev it.

https://www.instagram.com/p/BCsw_D7S5KE/

For what it's worth, I shot the video before I installed the CAI and tune.

 

[TheHydro]

I think I might replace my race mufflers with these so it will quiet down the cat delete. Can you pm me where you bought them so cheap? Thanks for all your help.

 

[Sighlense]

Here's a quick video of the sound. It's just after a cold start, so the RPMs are higher at the beginning of the clip, then drop down after I rev it.

https://www.instagram.com/p/BCsw_D7S5KE/

For what it's worth, I shot the video before I installed the CAI and tune.

Dayum, that is loud. A GOOD loud though, and not a raspy snap-crackle-pop "tin can" loud.

 

[Doctor Fishtail]

Pics?

I posted a pic and video. Read through the thread.

 

[SVT-DADDY]

Bringing this one was from the dead. Anyone else try these mufflers?

 

[SVT-DADDY]

Bringing this back from the dead. I just installed these mufflers in place of my MBRP streets and I couldn't be happier. Almost all my rasp is gone, there is 0 drone!

Decibel wise, these are maybe a little quieter than the MBRP street they replaced. They actually sound very similar at part throttle but don't have the rasp the MBRP does when you get on it. They sort of continue the good part of the MBRP sound rather than the nails in a coffee can sound the MBRP had.

To anyone with a Raspy exhaust like the MBRP street, don't hesitate to try these!

 

[Voo Doo]

Do you have an X-Pipe?? I installed the American Thunder H-Pipe cat backs from ARH when my car was 3 months old!! Just recently discovered the mufflers are made by.... FLOWMASTER !! go figure. The H give you a deeper tone while the X produces the sewing machine “rasp” ... never had a drone from day one!!

Then...then...I installed my Steeda CAI and “Tune”...guess what..more air equals louder pipes!! Deeper tone and I love the Flowmasters even more!! Put it in Track Mode and gave it !!!! Holy crap Batman !! It’s alive!! And a rocket!!

 

[SVT-DADDY]

@Voo Doo H pipe. The MBRP mufflers are just crap. lol

Still love those flowmasters.....had 40 series on my first Mustang. A 1990 GT with a big cam, long tubes, and no cats. Wake the dead, but boy did it sound good.

You should hear what happens to the exhaust when you bolt a Whipple with a 3.5" pulley in these cars!

 

[RaceRed5.0]

The H-Pipe should quiet the rasp down quite a bit. X-Pipes are known to be raspy. But I will admit the MBRP street exhaust is pretty much what you pay for you it does have some rasp. I've been thinking of changing my exhaust out to the Roush axle back.

 

[SVT-DADDY]

The MBRP system has an H pipe

 

[Burkey]

IMO, Magnaflow is one of the very few that will give your car something even vaguely similar to the old-school tones we all love. Deep and rumble rather than high-pitched and raspy.

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