Custom Exhaust Questions | Mustang 5.0 - Ford Mustang Forum
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post #1 of 4 (permalink) Old 03-15-2016 Thread Starter
mlbdevil's Avatar
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Custom Exhaust Questions | Mustang 5.0

Hello fellow mustang lovers. I recently installed a set of Borla Over Axle Pipes and the Pypes O/R H-Pipe on my 14 GT - but still rocking the stock mufflers until I decide on the axle backs I want.

However, after installing the h-pipe and over axles - I get a stunning sound of nails raping a tin can at over 4k prm. Wondering if that is due to the stock mufflers??? Just wondering what causes that sound exactly - will hopefully help me in making the final selection. Thanks in advance!

2014 Mustang GT 5.0 - 275/40 ZR19, 245/45 ZR19, SCT Livewire TS, Eibach Sportline Springs, Borla Over-Axle Pipes, Pypes O/R H-Pipe
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post #2 of 4 (permalink) Old 03-16-2016
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Sounds like you've got a clearance issue - if you'll pardon the pun....
At revs the drivetrain may be torqued enough to have a portion of the exhaust system touching either the floor of the car, the axle, the sway bar etc....I'd check that and maybe which way the clamps are might just need to loosen and turn a clamp away from potential contact.

My .02 CDN


2014 GT Track Pack/Brembo/Recaro/Whiteline suspension system/Blowfish Racing shifter bracket - the 3.73 Torsen is so loud now that, with all due respect to Wade Chamberlain, BadFast has been renamed "The Whining Mistress"
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post #3 of 4 (permalink) Old 03-16-2016
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Bet money it's either your H or one of the OTAs hitting the driveshaft or your left OTA pipe is hitting the panhard bar cross brace. Despite all the locating hangers, these cars do need to have things fettled into the right position before tightening stuff down.

2014 Premium GT, SGM, Brembo, Auto, Tech, Comfort, etc. GT500s, Steeda UCA, VMP auto tune, 100 shot on BBR tune, best et: 11.38 at 120.85

2012 GT, Candy Red, Brembo, 3.73, Tech, Comfort, etc. Procal tune, Roush upper, UMI LCAs, Steeda red bracket, GT500s, 28X10X16 Hoosier slicks, best et: 11.91 at 115.23 RIP
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post #4 of 4 (permalink) Old 03-16-2016 Thread Starter
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sweet - thanks for the replies. I had a local shop install, so I'll take it back and have them take a look at potential causes.
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