What have you done to your mustang today?

FIVE-OH

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^^^ resonator delete metallic rasp
I don't hear anything really odd?

I know two guys with the same setup, and I've driven in both cars. I don't hear this metallic rasp you speak of. But they don't have the Lethal H, they both have the Pypes H. One had the Lethal, but the welds were so bad he returned it...
 
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nitrobob

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Installed Bullitt grille along with Watson Racing roll-bar and rear seat delete..
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sh4rkbayte

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Installed Bullitt grille along with Watson Racing roll-bar and rear seat delete..
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Every time I see pictures of this, I almost pull the trigger. I LOVE rear seat deletes! I just want to have 2 10lbs bottles mounted where the seat used to be. One day...
 

Riptide

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I don't hear anything really odd?
Sounds plain as day to me. Like a baby rattle being shaken. Almost sounds like an exhaust leak except there is no leak. My wife can't hear it either however I've had several other people in the car with me and they have no issues and noticed it right away.
 

FIVE-OH

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Sounds plain as day to me. Like a baby rattle being shaken. Almost sounds like an exhaust leak except there is no leak. My wife can't hear it either however I've had several other people in the car with me and they have no issues and noticed it right away.
I listened to that about 10 times at full volume, even had a coworker listen. I can't hear it, odd.

Never noticed anything like that in any of my buddies cars with ORP's either. You sure it's not something else?
 

claudermilk

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Installed Bullitt grille along with Watson Racing roll-bar and rear seat delete..
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10987482_10205883634797208_557517609179705089_n.jpg

Nice. Any pictures of the footings? I'm thinking about this bar as a bolt-in/bolt-out setup & would love really good shots of how it sits installed.
 

dysan

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Installed the rear seat to trunk firewall after installing my fuel cell(made by PNR Welding on here, againstallodds1).

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New mufflers for the 2015 race season. Basic 3" race mufflers right after my 3" h-pipe.

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Wired up my new delay box for to not only control the transbrake in my powerglide trans but also operate the electric solenoid for the shifter.

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Riptide

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I listened to that about 10 times at full volume, even had a coworker listen. I can't hear it, odd.

Never noticed anything like that in any of my buddies cars with ORP's either. You sure it's not something else?

Look at the comment on that video. I also had other people who can hear it. Especially around the 5 sec mark in the vid its easy to hear. Its just normal tinny rasp you get with that setup. There is no leak in the system.

Some people don't have the sensitivity to pick up on it. My wifes the same way. Drives me crazy though lol


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FIVE-OH

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Look at the comment on that video. I also had other people who can hear it. Especially around the 5 sec mark in the vid its easy to hear. Its just normal tinny rasp you get with that setup. There is no leak in the system.

Some people don't have the sensitivity to pick up on it. My wifes the same way. Drives me crazy though lol


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Ok, I tried it with bigger speakers this time. I hear it a little, it sounds to me like o2 sensor collar rattle. My LS1 Camaro made the same kinda noise, ended up being loose collars on the o2 sensors. Crimped them up, gone. You look into that?
 

Riptide

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I suppose anything is possible. I never noticed any loose fitting connections when I put those sensors in and tightened them down to begin with. It immediately started doing this after the o/r h went on. If the resonators don't fix the issue then I'll look it over when I change the oil in April and see. The collar you speak of is the actual threaded part welded into the pipe? Or is it part of the sensor itself?

In addition to the comment on the video from someone who states they have the exact same issue I see other complaints that are similar.

http://www.allfordmustangs.com/foru...295573-off-road-h-pipe-sound-leak-normal.html
http://www.allfordmustangs.com/forums/5146026-post23.html
http://www.svtperformance.com/forum...ng-hissing&p=14163710&viewfull=1#post14163710
 
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FIVE-OH

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I suppose anything is possible. I never noticed any loose fitting connections when I put those sensors in and tightened them down to begin with. It immediately started doing this after the o/r h went on. If the resonators don't fix the issue then I'll look it over when I change the oil in April and see. The collar you speak of is the actual threaded part welded into the pipe? Or is it part of the sensor itself?

In addition to the comment on the video from someone who states they have the exact same issue I see other complaints that are similar.

http://www.allfordmustangs.com/foru...295573-off-road-h-pipe-sound-leak-normal.html
http://www.allfordmustangs.com/forums/5146026-post23.html
http://www.svtperformance.com/forum...ng-hissing&p=14163710&viewfull=1#post14163710
It was the actual collars on the sensors.

Another thing may be the cheap steel Lethal uses, the ones I've heard are stainless. Wonder if that could change the sound? I really do not see how resonators will cure the sound, since the sound that you are describing that bothers you is coming from upstream in the mid pipe section…
 

Riptide

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Another thing may be the cheap steel Lethal uses, the ones I've heard are stainless. Wonder if that could change the sound? I really do not see how resonators will cure the sound, since the sound that you are describing that bothers you is coming from upstream in the mid pipe section…
Unfortunately the stainless was $120 more and you ended up with two clamps being used instead of one. If it is the aluminized steel that is the cause of that metallic tick/rattle that is disappointing but it isn't something lethal warns you about therefore I had little way of avoiding the issue.

I already have the resonators and they will go on in the next month or so. Won't be long before I know whether it helps or not. If it does turn out to be the pipe itself then I would be forced to conclude that it is trash at that point.
 

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