HPS 1.75" 2" OD, 4" Long 6061 Aluminum Step Up Transition Joiner Reducer Tu (STEP-AT175-200)
SKU: 36308242349

HPS 1.75" 2" OD, 4" Long 6061 Aluminum Step Up Transition Joiner Reducer Tu (STEP-AT175-200)

Sale price$19.28 Regular price$21.42
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Ships within 48 hours · Estimated delivery Jul 6 - Jul 11

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Description

HPS 1.75" 2" OD, 4" Long 6061 Aluminum Step Up Transition Joiner Reducer Tu (STEP-AT175-200)HPS 1. 75" 2" OD 16 Gauge 6061 T6 Aluminum Step Up Transition Joiner with 4" Length are commonly used in industrial, automotive, marine and aerospace industry; Great for custom fabrication project such as DIY welding, high performance air intake kit, cooling radiator and heater systems, turbo intercooler piping and charge pipe setup. 6061 aluminum is the most popular and versatile alloy, and is the least expensive of the heat treatable aluminum

HPS 1.75" - 2" OD 16 Gauge 6061 T6 Aluminum Step Up Transition Joiner with 4" Length are commonly used in industrial, automotive, marine and aerospace industry; Great for custom fabrication project such as DIY welding, high performance air intake kit, cooling radiator and heater systems, turbo intercooler piping and charge pipe setup. 6061 aluminum is the most popular and versatile alloy, and is the least expensive of the heat treatable aluminum alloys. HPS aluminum round tubing step up transition reducer joiner is sold in the T6 condition, ideal for sawing, machining, sanding, and polishing. The aluminum step up transition joiner tube can be polished, but due to the softness of the aluminum, care must be taken not to remove too much material, especially in the area near any welds.

Product Specification
- Product Type: Aluminum Step Up Transition Joiner
- Material: 16 Gauge 6061-T6 Aluminum.
- Tubing Outside Diameter: 1-3/4" - 2" (45mm - 51mm)
- Tubing Inside Diameter: 1-5/8" - 1-7/8" (41mm - 48mm)
- Length: 4"
- Wall Thickness: 0.065" (1.65mm)

Remark: HPS does NOT recommend 6061 Aluminum to be used for exhaust systems.

Features:

  • Tubing outside diameter: 1-3/4 - 2 inch (45mm - 51mm). Length: 4 inch.
  • Material: 16 Gauge 6061-T6 aluminum. Wall thickness: 0.065 inch (1.65mm)
  • Tubing inside diameter: 1-5/8 - 1-7/8 inch (41mm - 48mm).
  • Commonly used in industrial, automotive, marine and aerospace industry. Great for custom fabrication DIY project and welding.
  • Create your high performance air intake kit, cooling radiator and heater systems, turbo intercooler piping and reducing tubing setup.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 36308242349

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Me. Myself, and I.
Louisville, US
★★★★★ 5
Nice shirt.
Color: Black, Size: XX-Large
Good neck height, not too high, firm neck grip without the choke feel. Clean look when wearing under an open shirt or looks good alone, Soft feel against the skin, and it washes well, no pulling or color fade. semi-form-fitting on the body, but not tight for the size. priced well.
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Reviewed in the United States on May 25, 2026
G
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Garrett
Fort Morgan, US
★★★★★ 5
T-Shirts
T-Shirts are very nice. They run small. Order 1 size up
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Reviewed in the United States on December 31, 2025
A
Verified Purchase
Amazon Customer
Pawtucket, US
★★★★★ 3
Mock turtle neck sagged and did not fit well.
Shirt is well made. Collar not so much. Sagged and did not fit well. Donated to Goodwill.
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Reviewed in the United States on April 29, 2026
R
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Richard T. Russell
Houston, US
★★★★★ 5
A Difficult to Find T-Shirt
These T-Shirts are nice. A super difficult to find. The manufacturer calls it a mock-turtle neck (MTN). But the collar height is actually a bit shorter than the traditional MTN, which is great. It's closer to a regular T-Shirt that comes all the way to the neckline. And very somt a comfortable. This is the perfect style of T-Shirt to wear under a sportscoat, if desired. Or under a shirt where you want the T-Shirt to show for contrast. Just the right look.
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Reviewed in the United States on February 17, 2026
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Dario Escobar
Natrona Heights, US
★★★★★ 1
Sugerencia
Me llego pero el pedido tiene un fuerte mal olor a agua tipo de químico que aún lavandolo no se se va el mal olor . primera ves que me pasa esto
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Reviewed in the United States on March 7, 2026

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