2010-2013 Mazdaspeed 3 Turbo
The Weapon.R Down pipe & O2 Housing Kits replace the undersized factory down pipe in favor of significantly larger units. The WR down pipes are one of the largest on the market. Made of 304 Stainless steel it features CNC machine mandrel bending which clears the factory lower arm bars. TIG welded, flanges are CNC machined which is critical for a proper seal.