RS4 (B7 Platform) Discussion Discussion forum for the B7 Audi RS4

Where is the restriction in the stock exhaust?

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Old 03-10-2008, 06:01 AM
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Default Where is the restriction in the stock exhaust?

I've seen posts about less than desireable bends due to clearance and diameter issues.

Is this throughout the system or in certain spots? Reason is I'm researching different exhaust options and wanted to maximize my bang for the buck butt dyno result. Different systems replace different parts of the catback - some the entire (like Milltek), others the resonators (ECS) and others the mufflers (Tubi - as I understand it).

Thanks,
Old 03-10-2008, 07:18 AM
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Default within the mufflers and resonator.

I don't know where you've seen anything about 'less than desirable bends', that simply isn't the case.
Old 03-10-2008, 07:24 AM
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Default

there are some crimps in the system.
Old 03-10-2008, 07:27 AM
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negative...my stock exhaust is propped against the wall in my garage, no crimps.
Old 03-10-2008, 07:46 AM
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Default nice. the RS4 ones may be mandrel then. You mind taking a photo of it at some point...

i've never looked at one out of the car before (only from below looking up). I'd like to get an overall idea of the similarities and differences. I appreciate it.
Old 03-10-2008, 10:34 AM
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Default He was probably talking about the S4 pipes, crimp city

And no, I did not step on the pipes, Audi did it all by themselves.
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