The Cosworth Subaru high volume inlet manifold is cast from aluminium featuring large tapered runners with radiused inlets for improved air flow. Plenum volume has been substantially increased & tuned for power.
Engineered for easy installation and is the key to making big power! Increased plenum volume Large tapered runners with radiused inlets tuned plenum volume / runner taper & length Over 10% increased flow Integral vacuum manifold for connection of brake booster, boost gauge, map sensor etc will work with standard or front mount throttle bodies Stock throttle body location for compatibility with most aftermarket Front mount Intercooler Kits