Tonneau Cover Flex 2008-2016 Ford F-250/350 8 Foot 2 Inch Bed Std/Ext/Crew Black Textured UnderCover Exhaust This muffler has 3-1/2" OD

This muffler has 3-1/2" OD inlet and outlet with perforated core

but doesn't add so much preload that the truck is bouncy or stiff

They come standard with H4 3-pin male inputs and should be plug and play on most classic cars / trucks

and all necessary fuses and mounting hardware

They will plug into the factory connectors for the stock headlights and will work seamlessly without any issues at all

Tonneau Cover Flex 2008-2016 Ford F-250/350 8 Foot 2 Inch Bed Std/Ext/Crew Black Textured UnderCover Exhaust This muffler has 3-1/2" ODIntroducing the next generation of folding covers the UnderCover Flex folding cover. Flex combines the best of both worlds, the security of a hard locking cover and convenience of a soft roll up cover. Constructed from the best materials available, Flex will withstand the abuse Mother Nature throws at it and keep coming back for more. Low Profile Ultra low profile design rests inside the bed rails allowing for a very sleek look. Full Access Built in