Picking the Best 15 WRX Headers for Sound and Power
If you're looking to squeeze more power out of your FA20 engine, upgrading your 15 wrx headers is one of the most effective ways to do it. When the 2015 model year first hit the streets, it was a massive departure from the old EJ-powered cars we'd all grown used to. One of the biggest changes was the move to a front-mounted, twin-scroll turbocharger, which completely changed how the exhaust manifold—or headers—needed to function. ...