Direct Replacement
The OEM filter caps are made of a hard plastic that has become prone to cracking and stripping out while doing general filter services. Extreme under-hood temperatures can cause the plastic to become somewhat brittle, which makes loosening and tightening them to change filters somewhat troublesome. The anodized blue 6061 aluminum caps designed by Sinister are direct replacements to the factory pieces and will ensure no leaks or broken pieces.
The last piece to our install was in the form of some additional engine bay dress-up. The mandrel bent intake manifold from Sinister is also coated in a shiny metallic blue, which really brings things together under the hood. With just four mounting bolts and intercooler pipe holding it down, the install couldn’t be easier and thanks to a CNC machined mounting plate with a machined O-ring groove, you can be sure it will fit and seal perfectly. While it may look very similar to the design of the factory cast piece, a more gradual radius inside the Sinister elbow cuts down on turbulence in the charge air system and allows for a more efficient airstream being fed into the intake manifold and cylinder heads. The Sinister elbow is also equipped with a 1/8-inch NPT threaded bung to ease the installation of an aftermarket boost gauge or water injection nozzle.