Looking for aftermarket parts to modify or upgrade your GMC Sierra 2500 HD Classic with headers & manifolds? At Tunersports.com we carry a huge selection of the top name brand performance headers & manifold parts and accessories for your Sierra 2500 HD Classic.
Whether you have a 2007 or 2007 GMC Sierra 2500 HD Classic in SL to WT trim we have you covered. We have 5 headers & manifolds available to mod your Sierra 2500 HD Classic. All parts have free shipping to the Continental US 48 States.
 IN STOCK 46-40024Advanced Flow Engineering, Inc. (aFe) produces high flow, high performance air filters & intake systems for the automotive industry. Founded in April, 1999, aFe was created to address an obvious need in the automotive aftermarket industry: a lack of choice for a high performance aftermarket air filt... aFe Power BladeRunner Ported Ductile Iron Exhaust Manifold 01-16 GM Diesel Trucks V8-6.6L (td) 2007-2007 GMC Sierra 2500 HD Classic SL / SLE / SLT / WT $662.48 SALE |
 IN STOCK 4006These BBK Performance shorty tuned Length exhaust Headers are designed and constructed as direct fit replacements for all 99-09 GM Truck and SUV 6.0L applications. Each header is manufactured with 1-5/8 CNC mandrel bent tubing that offers unrestricted exhaust flow for increased horsepower and torque... BBK 99-04 GM Truck SUV 6.0 Shorty Tuned Length Exhaust Headers - 1-3/4 Titanium Ceramic 2007-2007 GMC Sierra 2500 HD Classic SL / SLE / SLT / WT $499.99 |
 IN STOCK - DROPSHIPS 40060These BBK Performance shorty tuned Length exhaust Headers are designed and constructed as direct fit replacements for all 99-09 GM Truck and SUV 6.0L applications. Each header is manufactured with 1-5/8 CNC mandrel bent tubing that offers unrestricted exhaust flow for increased horsepower and torque... BBK 99-04 GM Truck SUV 6.0 Shorty Tuned Length Exhaust Headers - 1-3/4 Silver Ceramic 2007-2007 GMC Sierra 2500 HD Classic SL / SLE / SLT / WT $549.99 |
 IN STOCK - LOW 1041460Replaces factory driver's side "pinched down" unit; Restores exhaust flow and balances the V8 engine for smoother running; Improves exhaust velocity to drive the turbocharger; Improves power; Direct, bolt-in replacement; Tapped to accept the most popular EGT probes; High-silicon ductile iron; Lower ... BD Diesel Manifold Exhaust - 2001-2010 Duramax 2007-2007 GMC Sierra 2500 HD Classic SL / SLE / SLT / WT $191.72 |
 OUT OF STOCK 1046203For AirWerks S300 T3 Mount Turbos... BD Diesel PEDESTAL KIT - Chevy Duramax T3 Mount Turbo 2007-2007 GMC Sierra 2500 HD Classic SL / SLE / SLT / WT $275.95 |