What is a mandrel bend?

A mandrel bend is created using a flexible internal support (a mandrel) that prevents the tubing from collapsing or kinking during the bending process. This ensures the inside diameter of the tube remains consistent, which is important for exhaust flow.

What does 1.5D / 3.75in CLR mean?

This refers to the bend radius. '1.5D' means the center line radius of the bend is 1.5 times the tube's diameter. For a 2.50-inch tube, this results in a 3.75-inch center line radius, indicating a relatively tight bend.

What is this tubing typically used for?

This type of tubing is commonly used by fabricators for custom exhaust systems, intake piping, or other custom metalwork where a specific bend angle and consistent diameter are required.

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Specifications

Brand: Stainless Bros
Part #: 601-06356-1150
UPC: 601-06356-1150

Stainless Bros 2.50in Diameter 1.5D / 3.75in CLR 90 Degree Bend 5in leg/8in leg Mandrel Bend

Name: Stainless Bros 2.50in Diameter 1.5D / 3.75in CLR 90 Degree Bend 5in leg/8in leg Mandrel Bend
Brand: Stainless Bros
SKU: stainless-bros-stainless-bros-2-50in-diameter-1-5d-3-75in-clr-90-degree-bend-5in-t14-314176
Price: 45.04 USD
Availability: InStock

$45.04

Only 2 left in stock

Stainless Bros 2.5" 90 degree mandrel bend tubing with 5" and 8" legs. Ideal for custom exhaust fabrication.

Key Features

Fits custom exhaust fabrication projects.
2.50 inch diameter tubing.
90 degree bend.
1.5D bend radius (3.75 inch center line radius).
One leg is 5 inches long, the other is 8 inches long.
Mandrel bent for consistent diameter throughout the bend.

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About this part

Product Details

Stainless Bros is known for making stainless steel exhaust components. This particular piece is a 2.50-inch diameter, 90-degree mandrel bend tube, perfect for custom exhaust fabrication projects. It features a 1.5D bend radius, meaning the center of the tube bends on a radius of 1.5 times its diameter, which is 3.75 inches in this case. This tight radius allows for efficient routing in tight spaces.

The tubing comes with one leg measuring 5 inches and the other at 8 inches, giving you some flexibility when fitting it into your exhaust system. Because it's a mandrel bend, the tube's diameter stays consistent throughout the bend, unlike crush bends which can restrict exhaust flow. This helps maintain optimal performance for your custom exhaust build.