PLM Power Driven K-Series Hood Exit Race Header (4-1 Megaphone) Non-Lean 2015 - 2021 Subaru WRX VA Fits only USDM At the highest setting

At the highest setting

we built a custom machine that cycled the shifter through all of the gears over 1

This provides an additional 2-10HP on top of the gains from the CAI

Elevate your driving experience with the Brian Crower Stage 2 Camshafts and unleash the full potential of your Honda/Acura engine

these camshafts are engineered to deliver exceptional performance gains in forced induction applications

PLM Power Driven K-Series Hood Exit Race Header (4-1 Megaphone) Non-Lean 2015 - 2021 Subaru WRX VA Fits only USDM At the highest settingMade of 304 brushed stainless steel Hand TIG Welded O2 sensor wire extension needed CNC machined manifold flange One year warranty 18 gauge, 304 grade stainless steel Includes OEM spec header gasket ($20+ value) Includes exhaust heat shield trim ($50+ value) Includes comes pre assembled (two piece design)