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merom3
07-26-2014, 09:06 PM
I have a buddy who selling an exhaust off his B5 S4 and my brother wants to put on his B5 A4. Anyone know if this will work? Thanks for any replies!

SynapticA4TQM
07-27-2014, 05:06 AM
Nope, the s4 has two banks of cylinders while the a4 only has one... You'll have quite a few extra pipes... However, depending on you're brothers fabricating skill... Anything can be done with enough work.... How's your brother at cutting and welding exhausts?

GrapeBandit
07-27-2014, 07:55 AM
Just cut it off at the Y section and have him make custom pipe from there to the turbo. a few ppl have done it before

Mad Cow
07-27-2014, 09:09 AM
Just cut it off at the Y section and have him make custom pipe from there to the turbo. a few ppl have done it before

That's exactly what I did, beware though that without a resonator you'll have a lot of rasp. After a test pipe it became unbearable.

If you're swapping it into a 2.8 all you need are 2 reducer sleeves and some clamps.

merom3
07-27-2014, 10:46 AM
Yeah I told him it would be better to just buy one from/for an A4. But the 250.00 sell price was what drew him in. Thanks for the info fella's!

Avant Nate
07-27-2014, 03:34 PM
Is this a factory exhaust or aftermarket? Im assuming aftermarket. Single or double tube? If your getting dual mufflers, single tube, than it can be worth it, especially for a high end system.

Davdraco1
07-27-2014, 04:29 PM
I have the cx racing cat back 3 in. 350 shipped to my door. Love the thing