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Magnaflow

Direct Fit Catalytic Converter 04 Forester 2.5L Rr CA

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Magnaflow Direct Fit Catalytic Converter 04 Forester 2.5L Rr CA

Fitment

Please Note: MagnaFlow Direct Fit Catalytic Converter 04 Forester 2.5L Rr CA in legacy title scope, kept verbatim - MagnaFlow catalytic converter, part 451008 (stored MPN mag451008). 2004 Subaru Forester 2.5L, rear position, per the stored MagnaFlow copy; CARB EO D-193-110 per stored attributes; includes (1) Flange Gasket, (1) Donut Gasket, (1) O2 Port Plug per stored copy; interchanges with OE 44139FA010, 44139FA160, 44139FA161, 44139SA000, 44139SA010 per stored copy. No listing fact was changed this run - the only edits were the Master Sheet type mapping under Leo's 2026-11-10 ruling and removal of the stale unmapped-type sentence. Mapped to Master Sheet type Catalytic Converters (Engine / Exhausts) under Leo's 2026-11-10 ruling. Notes-only: no fitment bucket written. Confirm by part number 451008 before ordering.

Description

This MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter, part 451008, is designed to fit the 2004 Subaru Forester 2.5L, per the stored MagnaFlow copy. Per that copy, it features free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, installs with no cutting or welding using the proper tools, and MagnaFlow's state-of-the-art metrology department uses the latest 3D scanning systems during research and development so the part fits and functions like the original equipment. confirm fitment by part number 451008 before ordering.

Features & Specifications:

  • MagnaFlow part number 451008 (stored MPN mag451008)
  • CARB EO number D-193-110, per the stored listing attributes; California Grade CARB Compliant, per the stored MagnaFlow copy
  • Free-flowing mandrel-bent tubing; highly corrosion resistant stainless steel construction, per the stored copy
  • Single laser fusion weld greatly reduces the possibility of a leak; compact, low-mass design allows greater thermal efficiency, per the stored copy
  • Includes (1) Flange Gasket, (1) Donut Gasket, (1) O2 Port Plug, per the stored copy
  • Interchanges with OE parts 44139FA010, 44139FA160, 44139FA161, 44139SA000, 44139SA010, per the stored copy
  • Position: Rear, per the legacy title

Fitment:

  • 2004 Subaru Forester 2.5L, per the stored MagnaFlow copy
  • Confirm by part number 451008 before ordering

Questions & Answers:

  • Does this fit my 2004 Subaru Forester 2.5L? Yes, per the stored MagnaFlow copy, part 451008 is the direct-fit catalytic converter for the 2004 Subaru Forester 2.5L; confirm by part number 451008 before ordering.
  • What is in the box? One MagnaFlow direct-fit catalytic converter, part 451008, including (1) Flange Gasket, (1) Donut Gasket and (1) O2 Port Plug, per the stored copy.

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Warranty and Support

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Return and Refund

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Proposition 65

Proposition 65 Warnings: cancer and reproductive harm www.p65warnings.ca.gov