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Hi guys... really need someone to help me... My friend is going to give his RS4 full stock exhaust

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Old 09-21-2003, 09:38 PM
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Default Hi guys... really need someone to help me... My friend is going to give his RS4 full stock exhaust

system to me(including DP, Cat/back exhaust. I really need someone to tell me whether or not the RS4 Full exhaust fit my S4. Please give me some detail information like.... if not fit, which part is the problem.... or if only the DP fit, can I order S4 after market back exhaust to get them install together? with which Tuner's exhaust? Many Thanks.....
Old 09-21-2003, 10:57 PM
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Default the rear section (tips) won't fit. Since the rear tips use more space on a different rear valence.

if you do a S4 aftermarket cat-back, you'll need to extend one of the RS4 DPs to meet the new exhaust (no big deal, but worth it)

Miltek if a good choice for a smooth/quiet exhaust
Old 09-21-2003, 11:14 PM
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Default

It's there any chance to modify the rear section of the RS4 exhaust to fit on S4.... Big effort??
Old 09-21-2003, 11:24 PM
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Default try new tips...that's the easiest way.

everything else should fit fine.
Old 09-21-2003, 11:34 PM
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Default Hi Smoking S4..... Sorry about my English, but I am not quite sure what the "tips" you refer to is..

Are they the silver short pipes that I can see from the rear bumper? If that's what you refer to, how to change the tips? cut the RS4's down and put something on? Is it the shape of the rear bumper that limit the RS4 tips?

By the way, are you sure about all this. I must say sorry for asking you this again. I have to make sure this RS4 fitment issue before the Engine is dropped, I don't want to put S4 stock back again if something goes wrong...

Thank you very much
Old 09-21-2003, 11:54 PM
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Default No problems =)

it is the shape of the rear bumper that limit the RS4 tips which are about 1.5 inches wider than S4 tips.

Look here
<img src="https://www.audiworld.com/model/rs4/gallery/pressphotos/RS4990003.jpg">


I am very confident on this, but If you are installing the RS4 DPs and the RS4 cat-back doesn't fit, I'd suggest just putting the stock cat-back on for now, and getting an aftermarket S4 exhaust later on.
Old 09-22-2003, 12:15 AM
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Default Thanks... That would be a good idea... one more question related to your suggestion...

Do you mean that I can use RS4 DP and link to Stock S4 back exhaust without any mod? How about the extention pipe between RS4 DP and after market back Exhaust you mentioned before?
Old 09-23-2003, 09:53 AM
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Default Yes, you could use RS4 DPs with stock cat-back...but you'd need ~18inches to extend one side

of the system (after the cat) to the stocker (or aftermarket S4 cat-back.

just make sure your mechanic is prepared (with materials) to make the modification. It's not hard...it just needs to be welded.
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