SPEED ENGINEERING Y-PIPE 07-13 GM TRUCKSpeed Engineering Y Pipes are made out of 304 stainless steel and offer great quality, performance, and affordability. Their Y Pipes are mandrel bent, tig welded, and feature natural stainless steel construction. Speed Engineering's Y Pipes have been dyno proven and they stand behind their exhaust products in saying you will not find a better fitting, quality built, budget product for your vehicle. Features include: Mandrel Bent Tubing 3" Tubing 3. 5"

coupled with thorough vetting on the Superflow Engine Dynamometer

Includes Pigtail #PGTDEN8

Works great with Sniper EFI intake manifolds

Turbine Outlet: 4″ V-Band

THESE ARE FOR STOCK ROCKERS

8 Part Type Fuel Injector Brand Injector Dynamics Height LS2 Flow Rate @ 43

New TBSS/NNBS truck intake manifold assembly

Floater Plate

Vehicle Speed Sensor configuration

Some 99-00 truck cylinder heads had this notch as well (some

All made here in the USA

Tuning the inlet pipe in length and diameter to match the engine's resonance helps move more air to the cylinders (think of your engine as a big air pump)