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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

This product is legal in California only for racing vehicles which may never be used, registered or licensed for use upon a highway.

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

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
Product Style RevZilla Item # Manufacturer Product # Availability
Raw 889796 EK-STL-00-RS Available: Usually ships in 3-5 business days


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If your order arrives and it is not right, we will we'll fix it, NO NONSENSE, we promise.

Doesn't fit or just not happy with it? You can return any new, unused and unaltered item within 30 business days of delivery receipt of your item. We will issue a full refund to your original payment method.

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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)