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Speedwerx Performance Exhaust Dirt Late Model Headers

Speedwerx Performance Exhaust Headers are proven to be better than the competition on the dyno and on the track! You can rely on our 25+ years of experience of manufacturing exhaust- built by racers, for racers. We do not take a one size fits all mass production approach, so you will get a superior product that is tailored to the engine specifications for the best power and performance within your sanction or series rules. We specialize in Tri-Y and 4-into-1 design headers that add serious torque and horsepower with our three stage stepped equal length primary tubes and machined merge collectors or precision cut standard collectors, but we also have custom designs and fits available to meet the needs of any engine builder, racer, or sanction/track class rules. All headers have TIG welded tube joints, and the Stainless Steel headers are purge welded for the smoothest finish inside. The tube to flange joints are fully welded on the inside and then are contour blended by hand into the tube- the end result looks much like a ported cylinder head for a smooth transition from the exhaust port into the header with minimal disruption to the exhaust flow. We pride ourselves on the fit and finish too, so not only do you get the best performing product but you get the best looking product and hassle-free installation as well. Last but not least, all Speedwerx Performance Exhaust Headers are 100% Made in the USA!

Some of the features and options we offer:

  • Mild Steel or Stainless Steel
  • Tri-Y or 4-Into-1
  • Merge Collectors or Standard Collectors
  • Stepped Tube Design or Single Diameter
  • Tube Diameters / Lengths optimized for Engine Size/HP
  • Inboard Right Side for popular Late Models
  • Flanges to match any Brand/Model Cylinder Head
  • Headers for Open, Spec, or Concept Engines
  • GM Crate Motor Headers 602 - 604 - 525
  • Turn Downs or Mufflers Installed
  • Electroless Nickel Plating
  • Ceramic Coating

Late Model Chassis applications- MB Customs, Longhorn, Rocket, MasterSbilt, Pierce, Capital, Black Diamond, Club 29, Swartz, Barry Wright, Hustler, Victory by Moyer, and More!

Please give us a call at 651-982-6020 if your chassis / engine combination is not listed!

All headers are built to order based on your chassis/engine/rules and cannot be canceled or refunded- call for current lead time.

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