Looking for aftermarket parts to modify or upgrade your 2001 GMC Sierra 3500 with downpipe back? At Tunersports.com we carry a huge selection of the top name brand performance downpipe back parts and accessories.

IN STOCK 15399The MagnaFlow Performance Exhaust Diesel Turbo Downpipe 15399 is a 4in. diameter mandrel bent stainless steel pipe that is weight-optimized with superior flow characteristics and performance. Each performance pipe is produced using precision CNC robotic manufacturing techniques and features 100% dur... MagnaFlow Down-Pipe 06-07 GM Diesel 6.6L 2001-2002 GMC Sierra 3500 SL 2001-2006 GMC Sierra 3500 SLE / SLT $209.00 |

IN STOCK S6005SLMRELIABILITY AND DURABILITY - 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. If you... MBRP 01-04 Chevrolet/GMC Silverado/Sierra 2500/3500 6.6L 4in Downpipe-Back Exhaust Single Side Exit 2001-2002 GMC Sierra 3500 SL 2001-2004 GMC Sierra 3500 SLE / SLT $539.54 |
OUT OF STOCK S60210PTHE 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 01-04 Chevrolet/GMC 2500/ 3500 6.6L Duramax 5in Downpipe-Back Single Side Exit - AL 2001-2002 GMC Sierra 3500 SL 2001-2004 GMC Sierra 3500 SLE / SLT $601.41 |