4.6L General Discussion This section is for non-tech specific information pertaining to 4.6L (Modular) Mustangs built from 1996 to 2004.

Had to swap out my O/R X in favor of the stock H due to a ticket...

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Old 02-05-2010, 12:12 PM
  #11  
0949er
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thats why I took my O/R H off man, not because I got a ticket but because it was just too loud. It sounds much better now IMO. Still loud, but it sounds real clean (the style I go for)
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Old 02-05-2010, 12:28 PM
  #12  
teej281
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^^^I have to say i liked the sound of your car better with the o/r h pipe better with the cams than the prochamber. But still a mean sounding car none the less.
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Old 02-05-2010, 12:40 PM
  #13  
Dteal23
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Lm1s sound terrible with o/r pipe
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Old 02-05-2010, 01:35 PM
  #14  
rainydayracing
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I'm not a physicist, but I thought the whole backpressure thing was a myth?
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Old 02-05-2010, 01:54 PM
  #15  
02stang2113
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Get a catted mid pipe now!... but damn sounds like them calli cops suck
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Old 02-05-2010, 02:21 PM
  #16  
teej281
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Nope, back pressure is not a myth. the actually terminology might be something else but the principle that you need a small amount of restriction in the exhaust to perform properly is true IMHO.
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Old 02-05-2010, 07:09 PM
  #17  
Georgio281
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I can definitely feel the difference in top end. With the O/R X, it would pull nice and strong to 6k. Now, it dies off after about 5500. I will be going back to my O/R X eventually. I just love the raw sound of it. People who say the setup sounds terrible need to hear it in person. Cheesy YouTube videos don't do it justice. It doesn't sound as raspy and dump truck-like as some videos make it out to, and it sounds amazing at WOT. However, it's definitely not as clean and smooth as a catted setup.
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Old 02-06-2010, 02:01 AM
  #18  
teej281
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^^^Oh yes it does sound as raspy and backyard glasspack as it does in those videos. lol at least with the BBK o/r x pipe it does. Add longtubes and its a different story but with just the o/r x and SLP LM1's...total clapping raspiness. lol
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Old 02-06-2010, 11:34 AM
  #19  
Z28KLR
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LM1's with an o/r x on my car sounded just like having the catback disconnected from the midpipe, horrible. It sounded like 10,000 fully auto assault rifles going off at the same time, both on accel and decel. The fuzz here hasn't hassled me about my current combo, just gotta shut it off when you're pulled over (something that's a good idea anyway) so a curious officer doesn't catch a whiff of the fumes. Other than that, I've had various divisions of law enforcement either follow or pass me and apparently not have an issue about my exhaust.
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Old 02-06-2010, 05:45 PM
  #20  
Georgio281
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Originally Posted by teej281
^^^Oh yes it does sound as raspy and backyard glasspack as it does in those videos. lol at least with the BBK o/r x pipe it does. Add longtubes and its a different story but with just the o/r x and SLP LM1's...total clapping raspiness. lol
BBK O/R X's sound like ****, don't know why. Every setup that I've heard that uses this piece sounds raspy and hollow.

Anyways, had my friend do a couple flybys for me while I stood on the side of the road to hear it from the outside... My expectations were exceeded, to say the least. I was so happy with the sound of it, so mean and clean. Don't know if I'm gonna go back to the O/R X ever again now. Thinking of purchasing an MRT Catted H now! The H-Pipe tone is so badass too...
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