PLM DUAL Track Pipe / Muffler Deletes V2 Subaru WRX / STI 2015-2021 Finish:Titanium Blue 1207cfm-820hp at 81% efficiency (Requires

1207cfm-820hp at 81% efficiency (Requires Bumper Beam Trimming)

This exhaust does not go off the charts on the Karen meter

Basic Specifications: Nominal Flow Rate - 1340cc/min @ 3

HKS offers a less expensive mild-steel 409 version and a more expensive

PLM DUAL Track Pipe / Muffler Deletes V2 Subaru WRX / STI 2015-2021 Finish:Titanium Blue 1207cfm-820hp at 81% efficiency (RequiresPLM ( Private label Mfg. ) Axle Back exhaust also known as Muffler Bypass, Muffler Deletes, or Track Pipes are made of tig welded stainless steel, lightweight compares to factory mufflers, and sounds amazing! V2 (Version 2) now fits 2021 models and features a more aggressive, bigger, better 4" stainless steel exhaust tips. The piping of this track pipe has an OD (Outer Diameter) of 2. 5" 65mm ending with dual 4. 0 inch single wall staggered tips. Dual