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Biltwell 1.75" Exhaust Builder Kit
  • Biltwell 1.75" Exhaust Builder Kit - Raw
  • Biltwell 1.75" Exhaust Builder Kit - Raw
  • Biltwell 1.75" Exhaust Builder Kit - Raw

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Video Review

Biltwell 1.75" Exhaust Builder Kit Videos

Biltwell 1.75" Exhaust Builder Kit

The builder's exhaust kit is exactly what its name implies: a selection of pre-fabbed tubing, header flanges and exhaust tips that puts the art of custom exhaust building in the hands of the  fabricators. Exhaust pipe tubing measures 1.75" diameter and is made from heavy duty 16 gauge raw steel. All sections are pre-polished to make chroming after joint finishing easier.


  • Four 16" long straight sections with flattened cuts
  • Two 3.5" radius U-bends with straight sections
  • Two 5" radius U-bends with straight sections
  • Two 6" long straight sections with Trumpet flares
  • Two 45 degree bends with slash cut tips
  • Two Evolution style flanges
  • Two Shovelhead flanges
  • Two Ironhead flanges
  • Two Panhead flanges
  • Two STD flanges
View Fitment Notes & Exceptions

Fitment Notes & Exceptions

This is a universal fit part; it may or may not fit without modification.

  • Open pipes are illegal in many areas - they are sold for competition, off-highway use only
  • This kit will require skilled fabrication and does not come with brackets
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Biltwell 1.75" Exhaust Builder Kit
Already Asked: 1 Question, 1 Answer
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A shopper asked: Do any of the parts in this kit have the threads for O2 sensors in them? Dec 28, 2014
Answer this · Send to friends Good question? Yes (0) No (0)
Brad B: No, but you could easily install your own if needed. Dec 28, 2014
Reply to Brad Good answer? Yes (0) No (0)
Product Style RevZilla Item # Manufacturer Product # Availability
Raw 889796 EK-STL-00-RS Available: Usually ships in 3-5 business days