LS Engine Block Hugger Exhaust Headers, Painted Black

• Includes all necessary hardware & gaskets for a simple installation.
• Tuned for low & midrange street performance
• Strong torque multiplication in an engines street operation range is from idle (800 RPM) to around 3,500 RPM
• This is also evident during kickdown passing from 2nd to 3rd gear or when accelerating part throttle on to a freeway on ramp
• 1-5/8 inch Mandrel-bent, tuned-length primaries for decreased backpressure and increased exhaust velocity improving HP, torque, & throttle response
• 2.50 inch Collector at 3-bolt flange for easy exhaust installation
• 3/8 inch thick machined head flanges for perfect sealing surface
• Lightweight 18 gauge mild steel tubing for strength and reliability
• Tight-tuck tube design for fit with narrow street rod frames
• Collector exit is parallel with oil pan for maximum ground clearance
• Collectors are positioned for maximum starter and engine mount clearance

These come painted black for corrosion protection prior to use – we suggest stripping the paint and applying your preferred color of high temperature header paint.