HCA2.52.25O2 Exhaust Header Reducer, Universal, Collector Adapter 3 Bolt O2 Bung 2-1/2" x 2-1/4"

Name: HCA2.52.25O2 Exhaust Header Reducer, Universal, Collector Adapter 3 Bolt O2 Bung 2-1/2" x 2-1/4"
Brand: STAINLESS WORKS
SKU: 842-HCA2.52.25O2
Price: 90.25 USD
Availability: InStock

^$90²⁵

Ships on Sep 14, 2026

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Exhaust Header Reducer

Universal

Collector Adapter 3 Bolt O2 Bung 2-1/2" x 2-1/4"

Stainless Works HCA2.52.25O2 Features:

Made from 304 stainless steel for maximum corrosion resistance. The nicest collector adapters available! These are TIG welded for strength and durability. Come with 2-1/2" 3 bolt flange and a 2-1/4" OD outlet. An O2 bung is welded into the tubing, space approximately 2" from the inside edge of the flange. This collector adapter comes with a limited lifetime warranty and proudly made in the USA.

Collector adapter, w/o2 bung, 304 stainless steel, All adapters TIG welded, 3 bolt flange, 2-1/2" to 2-1/4" outlet.

Part TypeHeader

BrandSTAINLESS WORKS

Package Height8.0

Package Width8.0

Package Length6 in.

Weight4.0 PG

Part CategoryPerformance Parts

Inlet Size2-1/2 in.

Material304 Stainless Steel

Collector Diameter2-1/4 in.

Part FitmentUniversal

FinishMill

Vendor Part NumberHCA2.52.25O2

Package Qty1

Package TypeEA

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HCA2.52.25O2 Exhaust Header Reducer, Universal, Collector Adapter 3 Bolt O2 Bung 2-1/2" x 2-1/4"

Stainless Works HCA2.52.25O2 Features:

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