Aftermarket inlet manifold

4.2 V8 40v biturbo - 450 bhp
4.2 V8 40v biturbo - 480 bhp (plus)
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Sxcarmyboi
2nd Gear
Posts: 212
Joined: Sun Jan 13, 2019 10:58 am
Location: Maidstone

Aftermarket inlet manifold

Post by Sxcarmyboi » Thu Dec 11, 2025 8:59 am

I have been in contact with a couple of companies about making an aftermarket intake manifold for the RS6

They have asked me to gauge numbers of how May would be roughly interested if any at all.

Price wise I don’t have a clue yet. This is solely just to see if they should try.
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Thos manifold was built for the 2.7 v6 engine. It’s also designed to run up-to 12 injectors depending on your build and requirements.
C5 RS6 Avant
800+ BHP loading
1100+ ft lb loading

Billy_G
2nd Gear
Posts: 101
Joined: Thu Aug 28, 2014 9:36 pm

Re: Aftermarket inlet manifold

Post by Billy_G » Wed Dec 17, 2025 7:53 pm

Have a look at the intake spacer rumler racing parts makes. It greatly increases the intake capacity. Rumler and KKS are running 1000hp+ builds with it. I'm guessing you may have already seen this though based on your incredible build!
Daily beater, Daytona Avant, MTM stage 1 & box map, wagners, bilsteins, hotchkis arb, milteks, Girodisc stoppers etc

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