Looking for in-stock aftermarket parts to modify or upgrade your GMC Sierra 3500 Classic with downpipes? At Tunersports.com we carry a huge selection of the top name brand performance downpipe parts and accessories for your Sierra 3500 Classic.
Whether you have a 2007 or 2007 GMC Sierra 3500 Classic in SL to WT trim we have you covered. We have 2 downpipes available to mod your Sierra 3500 Classic. All parts have free shipping to the Continental US 48 States.
 IN STOCK GM8424Replace that restrictive factory downpipe with a MBRP direct replacement downpipe for more flow, fuel economy, and better performance. Removal of OEM catalytic converters may be a violation of emissions laws in your jurisdiction. Ensure that the intended use of this product is permitted. Not for sal... MBRP 2004.5-2010 Chev/GMC 6.6L Duramax 3in Turbo Down Pipe Black 2007-2007 GMC Sierra 3500 Classic SL / SLE / SLT / WT $176.69 |
 IN STOCK GMCA424Replace that restrictive factory downpipe with a MBRP direct replacement downpipe for more flow, fuel economy, and better performance. Removal of OEM catalytic converters may be a violation of emissions laws in your jurisdiction. Ensure that the intended use of this product is permitted. Not for sal... MBRP 04.5-2010 Chev/GMC 6.6L Duramax Black 3in Down Pipe 2007-2007 GMC Sierra 3500 Classic SL / SLE / SLT / WT $176.69 |