MagnaFlow Cat-Back 12-16 Jeep Wrangler GT 3.6L V6 Polished TipsThe MagnaFlow Jeep Street Series 19326 brings out the personality of your 3. 6L 2012 2018 Jeep with our signature resonant, powerful engine tone and dyno proven performance. Thanks to its fast flowing, mandrel bent 2. 5in. main piping and 2 Straight Through mufflers ending in a Dual Split Rear exit with 4in. Polished Welded Double Wall Angle Cut Folded Edge tips, this Jeep exhaust kit has the performance chops to match its sporty sound and appearance.