How much does this cost to the nearest dollar?

Exhaust Header Manifold For Chevrolet LS1 LS6 LSX V8 x Elbows T3 T4 To V Band 3.0
Item Includes 1 x Pair Exhaust Manifold 2 x Gaskets with bolts+ 2 Clamps with v bands 2 x Cast Elbow Adapter,Same as photo show Huge 1 3/4 Stainless Primary Tubes (true 1 3/4 unlike the others listing the same header by multiple companies with multiple sizes) 7/16 Thick Flanges 3 V-Band Collectors, CNC Mandrel Bent Pipes for Excellent Flow, 4 to 1 Header Design to Create a Compact Package for Universal T3 hole to hole hole to hole band Flange 80mm ID 93mm OD.Cast Turbo Elbow Adapter

Price is $300.00

Price: $299.99