Porsche 986 Boxster Valved Muffler Bypass Conversion Porsche 986 Boxster Valved Muffler Bypass Conversion Click images to enlarge Description Porsche 986 Boxster Valved Muffler Bypass Conversion   Unique valved muffler bypass conversion pipes easily bolt into factory exhaust for an OEM sound with valves closed and a race inspired sound with valves open. The default valve orientation upon startup is valves closed for a refined warm up experience and an invigorating tone reminiscent of air-cooled CUP cars is just a button press away! +  Fits all Porsche 986 Boxsters (1997-2004) +  Valves closed during startup for a refined, drone free OEM experience +  Valves controlled with included remotes or with factory HomeLink buttons (if vehicle has them) +  Designed and built in-house at our Willow Grove, PA facility +  All Soul Performance Products are backed by our Lifetime Warranty for both street and track use Pictures sell! Auctiva offers Free Image Hosting and Editing.250+ Listing Templates! Auctiva gets you noticed! The complete eCRATER Selling Solution. Track Page Views WithAuctiva's FREE Counter