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Crawford Performance Intake Manifold Spacers / Billet Power Blocks (BPB) for 2012 - 2016 Subaru Impreza 2.0i
Adds 15 HP / 22 TQ - No Tune Required
Decreases Delay between Shifts
Increases the Volumetric Efficiency of your Intake Manifold
Maximizes the Potential of Aftermarket Intakes
Installs in an Hour or Less
Naturally Aspirated (N/A) vehicles are starving for air without a turbo. Sure, an aftermarket Intake / Cold-Air Intake will bring more air in, but without a bigger volume in your intake manifold to receive the extra air, the air flow essentially gets choked before it has a chance to enter the engine.
The Crawford Billet Power Blocks raise your intake manifold, lengthening the intake runners. This increases the volumetric efficiency of your manifold, which provides optimum airflow so that your engine receives as much air as your intake (OEM or aftermarket) can throw at it.
Tested on and off our Dynapack Chassis Dyno, we stacked plates up then back down until we found the sweet spot that makes your FB20 engine scream (in a good way)!
Made from CNC'd billet 6061 Aluminum and anodized red, these spacers look incredible under the hood. The kit includes the 2 spacers, 8 longer mounting bolts, 4 Derlin o-ring seals, a stainless steel extended EGR tube, as well as an extended PCV hose.
The install can be completed in under an hour, and is rated a 3 out of 10 on install difficulty.
We recommend running mid-grade or premium fuel for the best results.
The BPB's are compatible with OEM or aftermarket intakes, tunes, and fuel. They are however not compatible with our Eco-Block, unless you are receiving a custom tune after install.
Note: We only recommend this upgrade on naturally aspirated setups.