E63 Billet intake manifolds (W213) w463 no permanent modifications required

no permanent modifications required

Our C43/C400 intake system is a true enclosed cold air design

you get more than just performance upgrades—you get reliable products at unbeatable prices

Reduced restriction for increased flow rate and less strain on coolant pumps

- Do not iron

E63 Billet intake manifolds (W213) w463 no permanent modifications requiredM177 LS2 BILLET INTAKE MANIFOLDS The factory manifolds are constructed from plastic, in 2 halves and then plastic welded (melted) together) This construction method is economical for large scale production, and (mostly) ok for standard engine power. However, the limits of the factory manifolds are well documented Furthermore, the plastic is not able to be drilled or tapped, so optional ports for nitrous, meth, or boost sense cannot be added. Finally,