JDM Subaru Forester STI SG5 Rear Bumper Cover with Rare STI Lip – OEM Part #57704SA050 (2003–2008) | J-Spec Auto Sports

J-Spec Auto Sports is offering a genuine JDM Subaru Forester STI SG5 rear bumper cover, complete with the rare factory STI rear lip, part number 57704SA050. This bumper was removed from a 2003–2008 Subaru Forester SG platform imported from Japan and is highly sought after by enthusiasts performing STI conversions or Forester restorations.

The Forester STI rear bumper features a more aggressive design compared to standard Forester bumpers and includes the rare STI lip extension, which enhances the rear styling while maintaining authentic Subaru performance aesthetics.

As a genuine OEM Subaru body component, this bumper offers proper fitment, durable factory construction, and the original look intended for the Subaru Forester STI models produced for the Japanese market.

This rear bumper is perfect for repairing a damaged Forester bumper, completing an STI conversion, or upgrading your Forester with authentic JDM STI exterior parts.

Item Details

• Vehicle: Subaru Forester STI

• Chassis: SG5 / SG9 Platform

• Model Years: 2003–2008

• Part Type: Rear Bumper Cover

• OEM Part Number: 57704SA050

• Included: Rare STI Rear Lip

• Material: OEM Subaru Plastic

• Condition: Used / Clean JDM Body Part

• Origin: Imported from Japan

This bumper provides factory Subaru quality and authentic STI styling.

Compatible Vehicles

This bumper is compatible with the following Subaru models:

Subaru Forester

• 2003 Subaru Forester

• 2004 Subaru Forester

• 2005 Subaru Forester

• 2006 Subaru Forester

• 2007 Subaru Forester

• 2008 Subaru Forester

SG Platform

• Forester SG5

• Forester SG9 STI

Always verify fitment, trim compatibility, and mounting points before installation.

Why Choose a Genuine STI Rear Bumper

Genuine STI body components are highly valued because they maintain the original Subaru performance styling and proper fitment.

Benefits include:

• Genuine JDM Subaru OEM part

• Rare factory STI rear lip included

• OEM fit and finish

• Ideal for Forester STI conversions

• Improves rear-end appearance

This bumper is a rare factory STI component that enhances the look of any SG Forester.

Ideal For

This rear bumper is perfect for:

• Subaru Forester restorations

• STI body conversions

• Rear bumper replacement

• JDM Forester builds

• Body shop repairs

Using original Subaru body parts helps maintain the vehicle’s quality and resale value.

Why Buy From J-Spec Auto Sports

J-Spec Auto Sports specializes in importing JDM engines, transmissions, body parts, and performance components directly from Japan.

Our inventory regularly includes:

• Subaru WRX & STI engines

• JDM front clips and nose cuts

• Subaru transmissions and drivetrain components

• Rare STI body panels and interior parts

• Japanese imported performance parts

All parts are carefully inspected before shipment to ensure quality.

Shipping Information

This Subaru Forester STI SG5 rear bumper cover will be carefully packaged and shipped via freight across the United States.

Local pickup may also be available.

Contact J-Spec Auto Sports for availability, pricing, and shipping details.