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HPS Performance

Aluminum Joiner Slip Fit

$38.86

SKU: H00A SLIP-AT400

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

The HPS Performance aluminum step up transition joiner is a 7-inch long reducer tube crafted from 6061-T6 aluminum. It features a 4-inch to 4-1/2 inch outside diameter with a 3-7/8 inch to 4-5/16 inch inside diameter and a 2mm wall thickness. This component is suitable for various applications, including automotive, industrial, marine, and aerospace projects.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandHPS Performance
Part NumberH00A SLIP-AT400

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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