Vehicle Set: Click here to shop 2003 Chevrolet Silverado 2500 HD parts.

2003 Chevrolet Silverado 2500 HD In-Line Modules

Looking for aftermarket parts to modify or upgrade your 2003 Chevrolet Silverado 2500 HD with in-line modules? At Tunersports.com we carry a huge selection of the top name brand performance in-line module parts and accessories.

In-Line Module Parts:

Only show in-stock parts

aFe Scorcher Module

IN STOCK - LOW 77-34008 If you're looking to maximize your vehicle's performance potential and drivability with a simple download, the aFe SCORCHER PRO Performance Programmer is for you. The SCORCHER PRO Performance Programmer is an all-in-one, performance programmer that provides specially calibrated tunes for vehicles eq... aFe SCORCHER Pro Performance Tuner 00-18 Cadillac/Chevrolet/GMC Vehicles V6/V8 2001-2005 Chevrolet Silverado 2500 HD Base 2001-2006 Chevrolet Silverado 2500 HD LS 2001-2019 Chevrolet Silverado 2500 HD LT 2003-2019 Chevrolet Silverado 2500 HD WT $479.59 CLEARANCE VIEW PRICE IN CART Details
IN STOCK - DROPSHIPS 77-44005 Put up to 40hp and 51lbs. x ft. torque to your N54 today! The aFe Power SCORCHER Module is designed to alter the pressure sensor signals to increase turbo boost to an optimum level throughout the entire RPM range. The result is a harmonious balance between power, throttle response and drivability. T... aFe Scorcher HD Module 01-04 GM Diesel Trucks LB7 6.6L V8 (td) 2001-2004 Chevrolet Silverado 2500 HD Base / LS / LT $451.00 Details