Small Block Mopar Chrysler Dodge Stainless Steel Block Hugger Exhaust Headers. FITS a Small Block Mopar Chrysler Dodge Stainless Steel Block Hugger Exhaust Headers. This is a Brand New Set of Small Block. Stainless Steel Headers designed to fit. Mopar (Chrysler Dodge Plymouth). These Block Hugger headers are designed to be used with Small Block Mopar 318 340 and 360 Engines. Block Hugger off-road headers are designed to allow the exhaust gasses to flow more freely from each cylinder bank and combine in a more efficient manner. These headers are perfect for tight-fit installations. Block Hugger style headers are meant to be used where space for long tube headers isn’t available due to steering and cross member clearance issues. These headers create a reduction in cylinder backpressure and improved exhaust gas velocity, these improvements free up lost horsepower and torque. An added benefit is a more performance-oriented exhaust sound. Made of High Quality Stainless Steel Material. Primary Tube Diameter (in): 1 5/8 in. Collector Diameter: 2.500 in. Primary Tube Gauge: 16 gauge. Flange Thickness (in): 3/8 in. Reducer and Metal Gasket Included. TIG Welded CNC Machine Flange. Increase High Flow Air, Instantly Gain 10 -15 Hp. Includes all you see Pictured. Please wait for us to send you a combined invoice before paying. We have discount prices on thousands of parts for your Street Rod, Hot Rod, and Custom Car or Truck. Parts are added to our store daily, so check back often for the latest deals! Plus, we have access to thousands of parts that are not listed. We do get hundreds of emails daily, so at times it may take us up to 72 hours to respond to your emails. Get Supersized Images & Free Image Hosting. Create your brand with Auctiva’s. Attention Sellers – Get Templates Image Hosting, Scheduling at Auctiva. Com. Track Page Views With.