What is this collector filler diamond used for?

This filler diamond is used with 4:1 headers to help square up the header primary tubes. It ensures a tight seal inside the collector, which helps eliminate leaks and maintain proper exhaust flow.

What material is this part made from?

The filler diamond is constructed from 304 stainless steel. This material is chosen for its excellent resistance to corrosion, making it suitable for the demanding exhaust environment.

Does this part come with any hardware?

This listing is for the single collector filler diamond only. Any necessary hardware for installation, such as welding supplies, is not included and would need to be sourced separately.

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Stainless Works

Specifications

Brand: Stainless Works
Part #: FCFD237
UPC: 887753433169

Stainless Works

Stainless Works 2.375in Dia Collector Diamond

Name: Stainless Works 2.375in Dia Collector Diamond
Brand: Stainless Works
SKU: stainless-works-stainless-works-2-375in-dia-collector-diamond-t14-115932
Price: 5.76 USD
Availability: BackOrder

$5.76

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Stainless Works 2.375in collector filler diamond. Made from 304 stainless steel to eliminate leakage in 4:1 headers.

Key Features

This product is a 2.375-inch diameter collector filler diamond.
It is made from 304 stainless steel for maximum corrosion resistance.
Designed for use with 4:1 headers to square up primary tubes.
CNC laser cut for accuracy and quality.
Helps eliminate leakage inside the collector.
Proudly made in the USA.

Secure CheckoutFast Shipping631-982-0042

About this part

Product Details

What you get here is a single 2.375-inch diameter collector filler diamond, made from 304 stainless steel. This part is specifically designed for use with 4:1 headers, where it helps to square up the header primary tubes. By ensuring a tight fit, it eliminates potential leaks right inside the collector, which is crucial for maintaining exhaust flow and preventing performance loss.

Stainless Works uses CNC laser cutting for accuracy on these filler diamonds, meaning you get a precise fit every time. The 304 stainless steel construction means it's built to resist corrosion, so it'll hold up well in the harsh undercar environment. These are proudly made in the USA.