Aluminum L40 Style Extended Lug Nuts M12x1.5 50mm Purple 20pc w/ Locks Turbo Boost Controller compared to the restrictive OEM

compared to the restrictive OEM brick-style cats that typically flow around 55%

GMC Sierra 2500 HD (2001-2006)

The Perrin Front Mount Intercooler (FMIC) kits for the 02-07 WRX & 04-07 STI are massive upgrades

The supplied brackets are designed for direct bolt-on installation to the E55

and individually inspected for quality assurance

Aluminum L40 Style Extended Lug Nuts M12x1.5 50mm Purple 20pc w/ Locks Turbo Boost Controller compared to the restrictive OEMAluminum L40 Style Extended Lug Nuts M12x1. 5 50mm Purple 20pc w Locks Twenty purple aluminum lug nuts with integrated locks, sized M12x1. 5 at 50mm extended length. Built from aluminum for weight savings over steel, these feature a conical seating design that works with most aftermarket wheels. The matching lock nuts prevent theft and vibration loosening. Ships from FL Warehouse Aluminum Construction 20pc with Locks Key Features Extended 50mm Length