A4 (B5 Platform) Discussion Discussion forum for the B5 Audi A4 produced from 1995-2001 B5 FAQ

OBX Exhaust System

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Old Sep 22, 2011 | 11:30 AM
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NSU TTi's Avatar
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Default OBX Exhaust System

I've been searching all over after a saw a couple of threads in various Audi forums for OBX exhaust, specifically for a 1.8TQM. What I found is they are an Ebay company and you cannot reach them by email or phone. They have an "email" (info@obx.....) and my ISP will not even send the email giving me a "Danger Will Robinson" kind of warning. Also, the phone number is for a FAX.

I can find a system for an S4 B5.

My question is: Is the resonator and muffler for the S4 the same as the A4 with the straight down pipe being different?

If so, (this one is not so important) any ideas where to get an A4 straight down pipe in stainless steel?

Appreciate the input.
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Old Sep 22, 2011 | 11:37 AM
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Is this for a 1.8T or a 2.8? The 2.8 Rear section is very similar to the S4 exhaust I'm not exactly sure its identical but very similar

What exactly are you looking to do?

Jason
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Old Sep 23, 2011 | 10:05 AM
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Originally Posted by ECS Tuning-Audi
Is this for a 1.8T or a 2.8? The 2.8 Rear section is very similar to the S4 exhaust I'm not exactly sure its identical but very similar

What exactly are you looking to do?

Jason
Jason, I have a 1.8T. What I want to do is install a HFC (inclined to buy Labree) and tie it to a nice wide open exhaust. I was talking to a guy who has a 2.8 with OBX and I like the tune, not to mention the price. I was wondering if the last two parts of the exhaust sold for the 2.8 would fit my 1.8T and where to get a custom straight pipe that would fit in between the cat and the resonator. BTW, mine is a 2001.
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Old Sep 23, 2011 | 11:21 AM
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The only thing I would be confidant in saying that you could use from that exhaust would be the rear muffler.

I'd imagine the middle resonator might be in the exact position it needs to be.

I'd definitely get some custom piping made from the rear muffler forward.

Jason
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