STONE EXHAUST BMW N54 N55 E90 E91 E92 335I CAT-BACK VALVETRONIC EXHAUST

vidéo: https://www.youtube.com/watch?v=V5c4VEyO1EM&feature=emb_title

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Description

We are proud to introduce you to the state of the art Stone Exhaust Valvetronic Cat-Back Exhaust System, to enhance the performance and sound of your BMW E90 Sedan 335i (2004), E91 Touring 335i (2004) and E92 Coupe 335i (2005) with the N54 & N55 engine, manufactured after 2004 and 2005. Stone Exhaust has been developing world's best exhaust system since 1998, starting with 3D scanning and reverse engineering the OEM system, this allows the Stone engineers to design a 100% OEM fitment exhaust with precision. With their in-house dyno, your BMW exhaust system is proven to produce more power with the enhanced Stone signature exhaust sound.

The OEM Integred Valves(s) option allows your exhuast system to operate as standard, where the onboard computer (ECU) will control the opening and closing of the valves automatically.

The Cat-Back Valvetronic System comes with a separate remote controller that gives you full control of the exhaust, allowing you to open and close the valves with a click of a button. You can also set it in auto mode for the valves to open at a certain rpm automatically. The Stone Valvetronic system is a plug and play system, and connects to your OBDII port, which can be installed within a few minutes.