RetraxOne MX Retractable Tonneau Cover Matte One Piece Polycarbonate Finish 1999-2007 Ford F-250/350 6' 10 inch Bed without Stake Pockets WdclX~ the 9% shorter flow path

the 9% shorter flow path delivers an 86% increase in airflow over the factory components it replaces

2011-2014 F150 EcoBoost

Fully TIG welded with precise settings to achieve optimum penetration without compromising airflow

This kit wont actually improve wheel travel since that is limited by the shock but will add ride height and preload to the rear spring

25 x 10 in Base - 7 in Top - 8 in Tall - Top - Water Repellent - Polyester - Black - Each

RetraxOne MX Retractable Tonneau Cover Matte One Piece Polycarbonate Finish 1999-2007 Ford F-250/350 6' 10 inch Bed without Stake Pockets WdclX~ the 9% shorter flow pathThe RetraxONE MX combines strong, durable polycarbonate with a powerful and incredible scratch resistant matte finish. The RetraxONE MX features a low profile patented design that streamlines the overall appearance and provides a firm seal. The RetraxONE MX can be locked in any position along the rail and its secured with its own keys. The RetraxONE MX is manufactured from polycarbonate, a durable thermoplastic commonly known as Lexan, which is