S85 V4 Equal Length & Long Tube Headers

Specifications: 

• New V4 variant: 
  • Complete equal length primary design within 1mm.
  • The purpose is to retain the signature S85 V10 exhaust tone. 
• Design:
  • Long tube header design for optimal performance
    
  • 42mm runner diameter for optimal performance on 5.0 displacement and strokers
  • Deletes primary catalytic converters
  • Revised merge collector with bolts to secure to primaries. 
  • Fits LHD and RHD
• Construction
  • 304 stainless steel 
    
  • TIG welded  
  • Bungs for pre-cat, post-cat and temperature sensors.
• Optional MSS65 tuning: 
  • Gains of up to +/- 50whp and wtq when paired with tuning. 
    
  • Various options are available. Refer to the tuning listing at the link here.
  • Includes tuning cable.