Looking for aftermarket parts to modify or upgrade your GMC Sierra 3500 HD with silicone couplers & hoses? At Tunersports.com we carry a huge selection of the top name brand performance silicone couplers & hose parts and accessories for your Sierra 3500 HD.
Whether you have a 2007 or 2020 GMC Sierra 3500 HD in AT4 to WT trim we have you covered. We have 8 silicone couplers & hoses available to mod your Sierra 3500 HD. All parts have free shipping to the Continental US 48 States.
 IN STOCK MMBK-DMAX-06BKMishimoto is proud to release a direct-fit silicone boot kit with DuraCore technology designed specifically for the 6.6L Chevrolet/GMC Duramax.Mishimoto DuraCore technology is the synthetic material that comprises the innermost layer of all Mishimoto silicone diesel boots.Compared to normal silicone... Mishimoto 06-10 Chevy 6.6L Duramax Boot Kit 2007-2010 GMC Sierra 3500 HD SLE / SLT / WT $258.95 |
 IN STOCK - LOW MMBK-DMAX-11HBKMishimoto has released a direct-fit silicone hot-side boot kit with DuraCore technology designed specifically for the 6.6L LML Duramax. High-powered vehicles require high-performance products, which is why our boot kits are manufactured using DuraCore technology. Mishimoto DuraCore technology is the... Mishimoto 11 Chevrolet/GMC 6.6L Duramax Hot-Side Boot Kit 2011-2014 GMC Sierra 3500 HD WT 2011-2016 GMC Sierra 3500 HD Denali / SLE / SLT 2015-2016 GMC Sierra 3500 HD Base $258.95 |
 OUT OF STOCK MMBK-DMAX-17Mishimoto is proud to release a direct-fit silicone boot kit with DuraCore? technology designed specifically for the 2017-2019 Chevrolet/GMC 6.6L L5P Duramax. Mishimoto DuraCore? technology is a synthetic material that comprises the innermost layer of all Mishimoto silicone diesel boots. Compared to... Mishimoto 17-19 GM 6.6L Duramax L5P Factory-Fit Boot Kit 2017-2019 GMC Sierra 3500 HD Base / Denali / SLE / SLT $335.26 |
 IN STOCK MMICP-DMAX-045HBKImprove the power and efficiency of your Duramax with the Mishimoto hot-side intercooler pipe and boot kit.The factory hot-side pipe for the 2004.5-2010 Duramax features numerous restrictive bends and chokes the engine with 2.5 piping.The Mishimoto intercooler pipe is 3 in diameter, which provides a... Mishimoto 04.5-10 Chevy 6.6L Duramax Hot Side Pipe and Boot Kit 2007-2010 GMC Sierra 3500 HD SLE / SLT / WT $299.95 |
 IN STOCK MMICP-DMAX-06CBKMishimoto has developed a cold-side intercooler pipe and boot kit for the 2006-2010 6.6L Duramax.The factory pipe and boot do not stand a chance against the heat and pressure of your high-powered Duramax; upgrade to the Mishimoto kit for increased reliability, durability, and performance.The Mishimo... Mishimoto 06-10 Chevy 6.6L Duramax Cold Side Pipe and Boot Kit 2007-2010 GMC Sierra 3500 HD SLE / SLT / WT $380.95 |
 OUT OF STOCK MMICP-DMAX-11CBKMishimoto has developed a cold-side intercooler pipe and boot kit for the 2011+ 6.6L Duramax. The plastic factory pipe and boot do not stand a chance against the heat and pressure of your high-powered Duramax; upgrade to the Mishimoto kit for increased reliability, durability, and performance. The M... Mishimoto 11+ Chevy 6.6L Duramax Cold Side Pipe and Boot Kit 2007-2014 GMC Sierra 3500 HD WT 2007-2020 GMC Sierra 3500 HD SLE / SLT 2011-2020 GMC Sierra 3500 HD Denali 2015-2020 GMC Sierra 3500 HD Base 2020-2020 GMC Sierra 3500 HD AT4 $326.95 |
 OUT OF STOCK MMICP-DMAX-11HBKImprove the power and efficiency of your Duramax with the Mishimoto hot-side intercooler pipe and boot kit. The factory hot-side pipe for the 2011+ Duramax features numerous restrictive bends and chokes the engine with 2.5" piping. The 3" diameter of the Mishimoto intercooler pipe provides a signifi... Mishimoto 11+ Chevy 6.6L Duramax Hot-Side Pipe and Boot Kit 2007-2014 GMC Sierra 3500 HD WT 2007-2020 GMC Sierra 3500 HD SLE / SLT 2011-2020 GMC Sierra 3500 HD Denali 2015-2020 GMC Sierra 3500 HD Base 2020-2020 GMC Sierra 3500 HD AT4 $354.95 |
 OUT OF STOCK MMICP-DMAX-11KBKImprove the power and efficiency of your Duramax with the Mishimoto intercooler pipe and boot kit. The factory pipes for the 2011+ Duramax features numerous restrictive bends and chokes the engine with small piping. The increased size of the Mishimoto intercooler pipes provide a significant increase... Mishimoto 11+ Chevy 6.6L Duramax Intercooler Pipe and Boot Kit 2007-2014 GMC Sierra 3500 HD WT 2007-2020 GMC Sierra 3500 HD SLE / SLT 2011-2020 GMC Sierra 3500 HD Denali 2015-2020 GMC Sierra 3500 HD Base 2020-2020 GMC Sierra 3500 HD AT4 $615.95 |