This MBRP exhaust system is great for off - road adventures and daily commuting. It's designed for Jeep Wrangler owners who want to enhance their vehicle's performance and sound. Made from T409 stainless steel, it's durable and resistant to rust. The mandrel - bent tubing ensures smooth exhaust flow. It fits 2004 - 2006 Jeep Wrangler Unlimited and 2005 - 2006 Wrangler Unlimited Rubicon models.