Looking for aftermarket parts to modify or upgrade your 2003 Chevrolet Express 3500 with catback? At Tunersports.com we carry a huge selection of the top name brand performance catback parts and accessories.

OUT OF STOCK 106-0737BRExhaust Direct-Fit Replacement Exhaust Kit 106-0737 takes the guesswork out of replacing your exhaust system while providing a reliable and high-quality alternative to the OEM exhaust. You will find all of the gaskets and clamps needed to get the job done in the carefully packaged box. 106-0737’... MagnaFlow BRE Exhaust Kit 03-09 Express Savana 2003-2009 Chevrolet Express 3500 LS 2003-2010 Chevrolet Express 3500 Base $528.00 |

IN STOCK S5010409RELIABILITY BACKED FOR A LIFETIME - ARMOR PLUS Series exhaust systems are crafted from corrosion-resistant T409 Stainless Steel - a value-oriented material designed to protect from penetrating rust and will stand up to almost anything you can throw at it.T409 Stainless Steel tubing is easy to clean.... MBRP 2003-2007 Chev/GMC 2500 HD 6.0L EC-SB Cat Back Dual Split Side 2003-2006 Chevrolet Express 3500 Base 2003-2007 Chevrolet Express 3500 LS $594.99 |

IN STOCK S5012ALTHE BEST BANG FOR YOUR BUCK - ARMOR LITE Series exhaust systems are a value option with the same fitment, performance and sound as the premium products from MBRP. Heavy-gauge Aluminized Steel tubing helps to resist dings and dents caused by debris under your vehicle. This material can be a great cho... MBRP 2003-2007 Chev/GMC 2500 HD 6.0L CC-SB Cat Back Dual Split Side 2003-2006 Chevrolet Express 3500 Base 2003-2007 Chevrolet Express 3500 LS $565.24 |