Comp Clutch 04-21 Subaru WRX STi 2.5L Turbo 6 Speed Stage 2 - Steelback Brass Plus Clutch Kit - 15030-2100

Part #:
15030-2100
$675.00
In Stock
Regularly stocked product
$675.00

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Comp Clutch 04-20 Subaru WRX STi 2.5L Turbo 6 Speed Stage 2 - Steelback Brass Plus Clutch Kit - 15030-2100 Photo - Primary
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Specs

SKU:COMP15030-2100 ,UPC: ,Condition: ,Availability:

Specs

SKU:
COMP15030-2100
UPC:
887753962454
Condition:
New
Availability:
Regularly stocked product
EPA:
N/A
MPN:
15030-2100
Proposition 65:
N
Special Order:
N
Clearance Item:
N

Description

The Competition Clutch 15030-2100 Stage 2 Street Series 2100 Clutch Kit is a performance-driven clutch upgrade engineered specifically for Subaru WRX STI owners who demand significantly increased torque capacity without sacrificing drivability. Designed as a direct replacement for the factory clutch, this high-performance clutch kit delivers up to 80% more torque capacity than OEM, making it ideal for aggressive street driving, spirited canyon runs, and moderate track use.

Built around Competition Clutch’s proven Steelback Brass Plus friction material and paired with a premium performance pressure plate, this clutch kit offers exceptional thermal resistance and consistent engagement even under high-load acceleration and aggressive shifting. The sprung hub clutch disc helps absorb drivetrain shock while reducing noise, vibration, and harshness, resulting in smoother operation compared to unsprung performance discs.

This balanced design makes the Stage 2 2100 Series an excellent choice for daily-driven WRX STI builds with common bolt-on modifications, as well as enthusiast vehicles that demand reliable power transfer without the harsh engagement characteristics of race-only clutches.


Competition Clutch 15030-2100 – Features

When upgrading to the Competition Clutch Stage 2 (Part Number 15030-2100), you gain a performance clutch system engineered for durability, drivability, and increased torque handling.

Performance & Durability

  • 522 ft/lbs Crank Rating - 80% increase in torque capacity compared to the factory clutch
  • Steelback Brass Plus friction material for improved heat resistance and wear life
  • Sprung hub clutch disc to reduce drivetrain shock and vibration

Complete Kit Inclusions

  • High-performance pressure plate optimized for street and light track use
  • Clutch disc with steel-backed brass friction material
  • Pilot bearing or bushing
  • Throw-out bearing
  • Clutch alignment tool for proper installation

Engagement & Feel

  • Smooth, predictable engagement suitable for daily driving
  • Balanced pedal feel with increased holding power
  • Recommended break-in period to maximize performance and longevity

Competition Clutch 15030-2100 – Fitment

This clutch kit is engineered specifically for manual transmission Subaru WRX STi applications.

Subaru WRX STi

  • 2004–2021 Subaru Impreza WRX STi (2.5L Turbo, 6-Speed Manual)

Compatible with WRX STI Base, Limited, Launch Edition, S209, Series HyperBlue, Type RA, and other STi trims equipped with the factory 6-speed manual transmission.


Frequently Asked Questions

What is included in the Competition Clutch Stage 2 kit (15030-2100)?

The kit includes a performance pressure plate, sprung hub clutch disc with brass plus friction material, pilot bearing or bushing where applicable, throw-out bearing where applicable, and an alignment tool.

How much horsepower or torque can this clutch handle?

The Stage 2 2100 Series is designed to handle approximately an 80% increase in torque over the factory clutch, making it suitable for moderately modified Subaru WRX STI builds. This is rated for 522 ft/lbs at the crank or 418 ft/lbs at the wheels.

Is the flywheel included?

No, this clutch kit does not include a flywheel. It is recommended to inspect, resurface, or replace the flywheel during installation.

What break-in period is recommended?

A break-in period of 300–500 miles of normal street driving is recommended to ensure proper friction mating and long-term performance.

Can this clutch be used as a daily driver?

Yes. The sprung hub design and brass plus friction material provide a balance of increased holding power and daily drivability.

Is professional installation recommended?

Professional installation is strongly recommended to ensure proper setup, alignment, and flywheel preparation.

Will this clutch slip during aggressive driving?

When properly installed and paired with a suitable flywheel, the increased torque capacity significantly reduces the likelihood of clutch slip under aggressive street or spirited driving.

How does this clutch compare to the OEM clutch?

Compared to the factory clutch, the Stage 2 offers substantially higher torque capacity, improved durability, and more consistent engagement for performance-oriented driving.


Package Contents

  • Performance pressure plate
  • Sprung hub clutch disc with brass plus friction material
  • Pilot bearing
  • Throw-out bearing
  • Clutch alignment tool
  • Installation and warranty documentation

Manufacturer’s Warranty

Competition Clutch, Inc. provides a limited 90-day warranty against defects in materials and workmanship when purchased from an authorized dealer.

  • Warranty does not cover labor, shipping, or installation costs
  • Proof of purchase is required for all warranty claims
  • Warranty is void if the product is modified or improperly installed

Fitment

This product fits more than 1000 vehicles