Nitrous Express 4 Port Distribution Block (15240) _AC-FB15FDMU-GR-07 BBK Performance shorty headers are

BBK Performance shorty headers are made from 1-3/4" CNC-machined mandrel bent tubing with 3/8" thick die-stamped flanges

or running small air tools

and after nearly two years of development and testing we are extremely proud to offer what we feel is the best intake for your 2002-2007 Subaru WRX and STI

The supercharger plenum replaces the factory air box with eight high-flow velocity stacks and three-inch intercooler piping for efficient cooled air supply

These Sport Headers greatly improve exhaust flow and turbo spool compared to the factory exhaust manifold

Nitrous Express 4 Port Distribution Block (15240) _AC-FB15FDMU-GR-07 BBK Performance shorty headers areCustomer service is taken very seriously and we work constantly to develop and improve our product lines. Features: High quality at an affordable price Expertly made from premium materials Built to match your exact requirements Nitrous and Water Methanol Instructions