Porsche 911 "European Racing Headers" Megaphones 24" (Plain with Shroud) Body Panels and Accessories_Custom Vinyl Graphics Mounting requires 10 1/2" from

Mounting requires 10 1/2" from the gutter

Overall dimensions: 19 1/2 x 4 1/4 inches

These bases fit EVO race doors and are sold in pairs

The title calls out 11x15

Adjustment: Threaded shaft

Porsche 911 "European Racing Headers" Megaphones 24" (Plain with Shroud) Body Panels and Accessories_Custom Vinyl Graphics Mounting requires 10 1/2" fromThese 24 inch Porsche 911 header megaphones use plain outlets with shrouds and mount at the collector flange of a compatible racing header system. Dimensions & details Megaphone length: 24 inches Average pair weight: 8 lbs Outlet style: Plain with shrouds Cookie cutter outlets: Not included Included hardware: Gaskets, nuts, bolts, and washers Quantity: Sold as a pair Installation notes Support the megaphones with a compatible exhaust bracket assembly.