B&B PRT center section ?'s
Thread Starter
Le Mans Master
Joined: Sep 2004
Posts: 7,027
Likes: 6
From: Shiloh Ohio
B&B PRT center section ?'s
I can not picture how this thing goes on. Can it only be used with the B&B bullet system or could I use this on a random tech 3" cat back?
Does it replace the x-pipe? Sorry I am having a brain fart and can not figure this thing out. Sounds like a great idea, but if someone has one and can explain I would appreciate it.
Does it replace the x-pipe? Sorry I am having a brain fart and can not figure this thing out. Sounds like a great idea, but if someone has one and can explain I would appreciate it.
Team Owner
Joined: Jun 2001
Posts: 26,714
Likes: 344
From: Houston, TX
It simply replaces the stock X pipe. It will bolt up to anything that the stock X pipe bolts to. They send it in two pieces probably to make it easier to ship (just a guess).
If you have any other specific questions, let me know. I have one on my car now, but am probably going to take it back off because I liked the sound of the Bullets better without it, and it's a weekend only car for me.
If you have any other specific questions, let me know. I have one on my car now, but am probably going to take it back off because I liked the sound of the Bullets better without it, and it's a weekend only car for me.
Melting Slicks
Joined: Feb 2006
Posts: 2,574
Likes: 136
From: Simi Valley California
St. Jude Donor '06-'07-'10, '15. '22-'23
Originally Posted by jschindler
It simply replaces the stock X pipe. It will bolt up to anything that the stock X pipe bolts to. They send it in two pieces probably to make it easier to ship (just a guess).
If you have any other specific questions, let me know. I have one on my car now, but am probably going to take it back off because I liked the sound of the Bullets better without it, and it's a weekend only car for me.
If you have any other specific questions, let me know. I have one on my car now, but am probably going to take it back off because I liked the sound of the Bullets better without it, and it's a weekend only car for me.
Did it quiet down the bullets too much for you? Also, do you have a manual or auto? Seriously considering the Bullets with PRT section but worried about drone, especially since I have an A6.
Last edited by C6 MoneyPit; Mar 26, 2006 at 11:19 AM.
Safety Car
Joined: Dec 1999
Posts: 4,148
Likes: 5
From: Roxbury NJ
Originally Posted by jschindler
It simply replaces the stock X pipe. It will bolt up to anything that the stock X pipe bolts to. They send it in two pieces probably to make it easier to ship (just a guess).
If you have any other specific questions, let me know. I have one on my car now, but am probably going to take it back off because I liked the sound of the Bullets better without it, and it's a weekend only car for me.
If you have any other specific questions, let me know. I have one on my car now, but am probably going to take it back off because I liked the sound of the Bullets better without it, and it's a weekend only car for me.
Thread Starter
Le Mans Master
Joined: Sep 2004
Posts: 7,027
Likes: 6
From: Shiloh Ohio
Originally Posted by jschindler
It simply replaces the stock X pipe. It will bolt up to anything that the stock X pipe bolts to. They send it in two pieces probably to make it easier to ship (just a guess).
If you have any other specific questions, let me know. I have one on my car now, but am probably going to take it back off because I liked the sound of the Bullets better without it, and it's a weekend only car for me.
If you have any other specific questions, let me know. I have one on my car now, but am probably going to take it back off because I liked the sound of the Bullets better without it, and it's a weekend only car for me.
Team Owner
Joined: Jun 2001
Posts: 26,714
Likes: 344
From: Houston, TX
Originally Posted by shurite44
Thank you, is it a 2.5" I assume.
The PRT center section does quiet it down. Understand, it is still louder than, say a Corsa or Magnaflow. But it is noticably quieter than Bullets. It's also a little higher pitched. I've had it on for about three weeks. Yesterday, a friend of mine who also has a convertible with the Bullets (but no PRT) swapped cars for a few minutes. We both agreed that the non-PRT equiped car sounds better.
It does reduce the drone somewhat, but does not eliminate it completely.
Thread Starter
Le Mans Master
Joined: Sep 2004
Posts: 7,027
Likes: 6
From: Shiloh Ohio
Originally Posted by jschindler
It's whatever is stock. I assume that is 2.5", but I have to say that I have never measured it.
The PRT center section does quiet it down. Understand, it is still louder than, say a Corsa or Magnaflow. But it is noticably quieter than Bullets. It's also a little higher pitched. I've had it on for about three weeks. Yesterday, a friend of mine who also has a convertible with the Bullets (but no PRT) swapped cars for a few minutes. We both agreed that the non-PRT equiped car sounds better.
It does reduce the drone somewhat, but does not eliminate it completely.
The PRT center section does quiet it down. Understand, it is still louder than, say a Corsa or Magnaflow. But it is noticably quieter than Bullets. It's also a little higher pitched. I've had it on for about three weeks. Yesterday, a friend of mine who also has a convertible with the Bullets (but no PRT) swapped cars for a few minutes. We both agreed that the non-PRT equiped car sounds better.
It does reduce the drone somewhat, but does not eliminate it completely.
I like loud, I had magnapacks on my last C5 A4 with a 315, but the resonance drone was just a little much. I am on the fence, I am leaning towards the random tech 3" cat back at this point. I am thinking Kooks to a 3" x-pipe with cats to the 3" random tech cat back. I think I will just take some time this summer to sound dampen the car a little. Plus with a six speed auto I should be able to stay out of the drone rpm's better than with my C5.
Did you figure out that offset for me yet??
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Team Owner
Joined: Jun 2001
Posts: 26,714
Likes: 344
From: Houston, TX
Originally Posted by shurite44
Jschindler, is the PRT just an x-pipe put into a sound dampening metal box? That is what it looks like anyway.
I like loud, I had magnapacks on my last C5 A4 with a 315, but the resonance drone was just a little much. I am on the fence, I am leaning towards the random tech 3" cat back at this point. I am thinking Kooks to a 3" x-pipe with cats to the 3" random tech cat back. I think I will just take some time this summer to sound dampen the car a little. Plus with a six speed auto I should be able to stay out of the drone rpm's better than with my C5.
Did you figure out that offset for me yet??
I like loud, I had magnapacks on my last C5 A4 with a 315, but the resonance drone was just a little much. I am on the fence, I am leaning towards the random tech 3" cat back at this point. I am thinking Kooks to a 3" x-pipe with cats to the 3" random tech cat back. I think I will just take some time this summer to sound dampen the car a little. Plus with a six speed auto I should be able to stay out of the drone rpm's better than with my C5.
Did you figure out that offset for me yet??
No, I have not figured out the offset, and will be traveling all this week, so it's doubtful I will. You might want to call John at CCW and ask.
Thread Starter
Le Mans Master
Joined: Sep 2004
Posts: 7,027
Likes: 6
From: Shiloh Ohio
Originally Posted by jschindler
You'd have to understand how B&B has been building the PRT's for several years to understand it. They are basically straight pipes with a chamber off to one side. There is a tab bent over in the middle of the exhaust stream that deflects some of the flow off to the side - which I think is supposed to "bounce" part of the wave into the chamber, and back into the flow again to cancel out some of the waves.
No, I have not figured out the offset, and will be traveling all this week, so it's doubtful I will. You might want to call John at CCW and ask.
No, I have not figured out the offset, and will be traveling all this week, so it's doubtful I will. You might want to call John at CCW and ask.
Safety Car
Joined: Dec 1999
Posts: 4,148
Likes: 5
From: Roxbury NJ
Originally Posted by jschindler
It's whatever is stock. I assume that is 2.5", but I have to say that I have never measured it.
The PRT center section does quiet it down. Understand, it is still louder than, say a Corsa or Magnaflow. But it is noticably quieter than Bullets. It's also a little higher pitched. I've had it on for about three weeks. Yesterday, a friend of mine who also has a convertible with the Bullets (but no PRT) swapped cars for a few minutes. We both agreed that the non-PRT equiped car sounds better.
It does reduce the drone somewhat, but does not eliminate it completely.
The PRT center section does quiet it down. Understand, it is still louder than, say a Corsa or Magnaflow. But it is noticably quieter than Bullets. It's also a little higher pitched. I've had it on for about three weeks. Yesterday, a friend of mine who also has a convertible with the Bullets (but no PRT) swapped cars for a few minutes. We both agreed that the non-PRT equiped car sounds better.
It does reduce the drone somewhat, but does not eliminate it completely.
