For LS V8 engine swaps only. Made of High Quality T-304 Stainless Steel with Computerized Mandrel-Bends for Strength and Durability.
Maximizes Smoothest High Exhaust Air Flow Rate. 4-1 High Performance Design, Produces the Most Top End Power.
Offers the Best Flow Characteristics for the Engine at High Engine Speeds. Increase High Flow Air, Instantly Gain 10 -15 Hp.
For Chevy LS V8 Engine swaps only. 3/8 Exhaust Manifold Flange Thickness. TIG Welded CNC Machine Flange. Metal Gaskets and Mounting Hardware Included. Note: For LS V8 Engine Swaps only.Does not include collector flanges.