Cusco

Cusco LSD RS 1.5way(1.5&2) Rear GDA/GGA WRX BR9 BM9 - LSD 183 L15

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SKU:
CUSLSD 183 L15
UPC:
4996338017185
MPN:
LSD 183 L15
Availability:
Regularly stocked product
MSRP: $1,480.00
$1,332.00
— You save $148.00
Frequently bought together:

Description

What vehicles is the Cusco LSD Type RS compatible with?
Cusco LSD Type RS is engineered for specific GDA/GGA WRX and BR9/BM9 chassis, confirming exact fitment is critical before purchase.

Is professional installation required for the Cusco LSD Type RS?
Professional installation is strongly recommended for the Cusco LSD Type RS to ensure optimal performance and proper differential setup.

The Cusco LSD Type RS delivers superior grip and control with its 1.5way engagement for aggressive cornering, scoring a 9 for Track/Autocross use. Featuring LSD 183 L15 specifications, this differential is built for exhilarating acceleration out of corners. Trust Cusco for a transformed handling predictability and confident high-speed maneuvers.

What Owners Say

Owners and enthusiasts consistently praise the Cusco Type RS LSD for its smooth, precise engagement and transformative on-track performance, with many highlighting controllable throttle oversteer and significantly improved handling through sweepers compared to stock differentials. The lockup feels precise and far more responsive than OE Torsen units, with no clunking during slow-speed maneuvers like parking. Daily drivers report reliable long-term use when properly installed and maintained, though some note it can be noticeably noisier than stock—a trade-off most accept for the performance gains. Track enthusiasts particularly appreciate how it allows precise rear-end rotation while remaining predictable. The Type RS has earned a strong reputation as a serious performance upgrade for drivers seeking genuine motorsport capability.

Key Features

  • Cusco LSD RS 1.5way(1.5&2) Rear GDA/GGA WRX BR9 BM9
  • LSD 183 L15

Why Choose the CUS LSD Type RS

Delivers aggressive traction for exhilarating corner exit acceleration.

Achieves superior grip during both acceleration and deceleration phases.

Transforms handling predictability for confident high-speed maneuvers.

Provides enhanced stability and control during spirited driving.

Who Is This For?

Track / Autocross — 9/10
1.5way engagement for aggressive cornering.

Street Performance — 8/10
Enhances grip and control for spirited driving.

Racing Competition — 9/10
Designed for superior grip and control.

Drag Racing — 7/10
Improves traction for better launches.

Frequently Asked Questions

Will the Cusco CUS LSD Type RS fit my 2002-2007 Subaru Impreza?

Confirming fitment, the Cusco CUS LSD Type RS is designed for the 2002-2007 Subaru Impreza, specifically the GDA/GGA WRX BR9 BM9 models. This precise fitment ensures optimal integration with your vehicle's drivetrain. Expect a direct and effective upgrade for your differential.

How difficult is the Cusco CUS LSD Type RS installation?

Professional installation is recommended for the Cusco CUS LSD Type RS to ensure proper setup and function. This advanced maintenance level upgrade requires specialized knowledge for accurate calibration. Trust a qualified technician for optimal performance and reliability.

What performance improvement does the CUS LSD Type RS provide over stock?

Experience aggressive corner exit acceleration with a 1.5way engagement, scoring a 9/9 for Track/Autocross use. This differential significantly enhances traction and control during spirited driving. Achieve superior grip and predictability on the track.

Is the Cusco CUS LSD Type RS worth upgrading from OEM?

Upgrading to the Cusco CUS LSD Type RS offers significant advantages by delivering aggressive traction for exhilarating corner exit acceleration. This upgrade provides a substantial performance enhancement over stock differentials, transforming your driving experience. Gain confident high-speed maneuvers with this advanced component.

What is the best driving use case for the Cusco CUS LSD Type RS?

The Cusco CUS LSD Type RS is best for performance enthusiasts seeking enhanced cornering grip, ideal for Track/Autocross with a score of 9/9. It delivers superior grip and control for aggressive cornering. Elevate your spirited driving experience with this specialized differential.

Additional Resources

Official Cusco Product Page

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Additional Information

Clearance Item:
N
MPN:
LSD 183 L15
Proposition 65:
N
Case Lot Quantity:
1
Category:
Drivetrain>Differentials
Product Level:
Premium Performance
Track / Autocross:
9/10
Street Performance:
8/10
Racing Competition:
9/10
Drag Racing:
7/10
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