Oh Boy..exhaust trumpeting?

[MrAwesome987]

I'll try to record my car today and see if its the same sound you are hearing.

 

[teeje]

My mustang is FBO and this has been something ive been trying to tackle even when I was stock with cat deletes. But ill be waiting for your video. Im interesting in seeing if its the same.

 

[MrAwesome987]

Here's two clips of my car. First video is in 3rd gear, and the second video is in 4th gear. Ignore the break squealing in the first video...

 

[JG-1]

I’m not hearing it trumpet.

 

[MrAwesome987]

Its more pronounced in video 1.

 

[teeje]

I hear it. It's sounds more mettalic, kind of like a tick-ish noise inside the cabin


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[07gts197]

It sounds normal to me. These cars like to trumpet, I dont think theres really a way around it unless you have factory cats.


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[JG-1]

Its more pronounced in video 1.

I don’t think yours sounds bad at all. Mine trumpets more than that even though I put the OEM over the axle pipes back on. I think it’s from the long tube headers.

 

[MrAwesome987]

Yeah mine's not unbearable.

 

[teeje]

Im going to put some fr500s in the back, see if that helps.

 

[MrAwesome987]

I'll probably try a new axle back down the road, but right now it's not hurting performance, so I'd rather throw money at go fast parts lol

 

[teeje]

Got the super 10s in and it sounds meaty. Super deep idle and 99% of the trumpeting is gone.


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[Riptide]

I went through a couple exhausts and returned them to amazon for a full refund. The gt500 axle backs went back in. The outlaws were too raspy and blatty sounding. The stingers were raspy too, and I could never get the tips to stay lined up.

 

[teeje]

Well the sound is still there. I believe it’s something to do with the x pipe. Im going to try a prochamber. Wish me luck


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[MrAwesome987]

Good luck. I have just learned to accept it on mine lol

 

[eighty6gt]

I just spent $1100 on JBA longtubes and an H pipe

another 250 on M80's

THIS BETTER CURE IT BY GOD OR I'M BURNING THE CAR

 

[Pentalab]

I just spent $1100 on JBA longtubes and an H pipe

another 250 on M80's

THIS BETTER CURE IT BY GOD OR I'M BURNING THE CAR

View attachment 69372

I have the identical setup JBA's ( titanium ceramic coated ) JBA H pipe... and a pair of welded in M80's. At the time, the M80's from AM were $44.00 each. Flanges on each end of the M80's cut off in band saw.... then they were welded in.... just b4 the rear axle.

No need to burn the car. But they need to heat cycle several times .....so fully evaluate em after 2-3-4 weeks. After that, they won't change.

Also bought new oem Ford header gaskets. Came as a pair, also from AM...dirt cheap at the time. FRPP gaskets. Don't re-use the old crap. LT's are a tedious enough install. Check TQ on header bolts after a month..then 1-2 per year after.

 

[eighty6gt]

M80's only $52/ea

Exchange, shipping, duty, taxes

$260 for two in Saskatchewan!!