HPS Blue Silicone Post MAF Air Intake Hose Kit for Mazda 16-17 Miata 2.0L (57-1544-BLUE) 1659 Adjustable from 20 psi to

Adjustable from 20 psi to maximum fuel pump capacity

1 (J65) 1991 Pontiac Firebird Engine: 2

It does a great job at this but if boost is available under the MBC setting it will give you that full boost

tuned and dyno-tested to fit specific Subaru WRX

High Performance Silicone Coupler Kit

HPS Blue Silicone Post MAF Air Intake Hose Kit for Mazda 16-17 Miata 2.0L (57-1544-BLUE) 1659 Adjustable from 20 psi toHPS Blue Silicone Post MAF Air Intake Hose Kit replaces 2016 2017 Mazda Miata 2. 0L restrictive OEM rubber intake hose with high temp reinforced silicon material. Unlike other aftermarket air intake kits, HPS post MAF silicone hoses improve air flow and reduce heat soak while keeping the stock well designed air box perform at high efficient level. Without any re tuning, the HPS silicone post MAF air intake tube delivers dyno proven performance gains