Aggressive exhaust sound - switchable sports exhaust system for JEEP WRANGLER JL With the goal of giving the Jeep Wrangler JL a powerful exhaust sound that a Jeep of its class deserves, we met with the experts from NAP (www.nap-sportauspuff .com) to develop a top-of-the-line flap exhaust system. The result is a masterpiece of German engineering crafted by hand and completely made of stainless steel, which is incomparable in terms of sound, performance and quality. A unique, tailor-made solution exactly for the conditions of your Jeep Wrangler JL. The most important thing in our flap exhaust system, the sound, is above all doubt at all times. At first our flap exhaust system offers a sonorous sound that is guaranteed to give you chills. If that‘s still not good enough for you, just open the flap with one press of a button and impress the audience with a robust and aggressive exhaust sound. Like any BAWARRION valve exhaust system, it comes equipped with a butt on in the cockpit that allows you to open and close the flap with ease, even while driving, to adjust the sound.