S6 Back Boxes

4.0 V8 40v biturbo TFSI - 420 bhp
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alangjones
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S6 Back Boxes

Post by alangjones » Mon Apr 11, 2022 5:52 pm

Is there any difference between S6 back boxes and RS6 back boxes
rs999 on Blues and 2's

NotNormal
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Re: S6 Back Boxes

Post by NotNormal » Fri May 19, 2023 8:45 pm

Yes, massively different
Their internal flow path is totally different

The valves are used in a different configuration too

I’ve put the RS6 exhaust on my S6, only needed to extend the n/s wiring for the valve - other than the RS6 rear valance, it works well, looks nice but the car actually sounds like a V8 now.

The valve on the S6 are configured for use with the COD
The RS6 use the valves for muting the sound, as well as COD

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alangjones
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Re: S6 Back Boxes

Post by alangjones » Fri May 19, 2023 9:07 pm

Oh that is great. This is the prob with my S6, it does not sound like a V8. My old RS6 sounded lovely, as did an old Stag I once had. A pity lakers are illegal😀😁
rs999 on Blues and 2's

NotNormal
2nd Gear
Posts: 164
Joined: Fri Oct 06, 2006 2:41 pm

Re: S6 Back Boxes

Post by NotNormal » Sun May 21, 2023 11:26 pm

Agreed, it sounds like a Dyson vacuum cleaner in stock trim !
The RS6 exhaust, PE, works so well

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