E63 Billet intake manifolds (W213) w463 : The color-matched drawcord and

: The color-matched drawcord and the double-lined hood add a stylish flair and durability that tie everything together

Have a shorter insulator and retains less heat at the tip end are only required when higher boost levels cause increased cylinder head temperatures

You can check what radiator you have by entering your VIN into PARTSOUQ

and stability whether you're on the road or pushing the limits on the track

All ZAC OPTIMUM tunes are covered by our 14 day satisfaction guarantee for your piece of mind

E63 Billet intake manifolds (W213) w463 : The color-matched drawcord andM177 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,