By Korsh Exhaust

Korsh Turbo Back Exhaust suit Subaru WRX STI 01-07 (Catless)

Regular price $1,699.00
Regular price Sale price $1,699.00
Shipping calculated at checkout.
Availability: Out of stock
SKU: KOR-EXHTB-01-CATLESS
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Regular price $1,699.00
Regular price Sale price $1,699.00
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Complete turbo-back exhaust system engineered specifically for Subaru WRX and STI models from 2001 to 2007. This high-performance system combines a catless downpipe with a premium catback exhaust for maximum flow and power gains. Designed for track and competition use.

Complete System Includes:

  • Catless Downpipe: Cast head design for improved flow, unrestricted exhaust path, precision mandrel bends
  • Catback Exhaust: 304 Stainless Steel construction, titanium-style tips, aggressive exhaust note

Key Features:

  • Direct bolt-on fitment for 01-07 WRX and STI
  • 304 Stainless Steel construction for superior durability and corrosion resistance
  • Titanium-style tips for premium aesthetics
  • Unrestricted catless downpipe for maximum exhaust flow
  • Precision-engineered mandrel bends throughout entire system
  • Maximum throttle response and power delivery
  • Enhanced exhaust note with aggressive sound
  • Suit RHD and LHD Vehicles
  • Quality construction backed by Korsh engineering

Important: This turbo-back system includes a catless downpipe and is designed for off-road, track, and competition use only. Check your local emissions regulations before installation.

Experience maximum performance gains with this complete Korsh turbo-back exhaust system. The combination of unrestricted flow and premium construction delivers the ultimate in power and sound.

What clients say


  • Really fast and high quality customer support, my order got to me faster than the quoted time too. No complaints

  • The team took a mostly broken car after some work done elsewhere, and have systematically made it reliable and fast for a fair price. The staff are invested in the work they do which also makes a big difference.

  • Jeff was extremely helpful in assisting me with my exhaust. Always kept me updated and answered any queries in a timely manner. Will definitely be coming back for my future mods

  • Justin and his crew is amazing! Always ready to help and service with a smile. Trusty, friendly and reliable! Had my car sent in for repair twice and it’s fixed on time, at a reasonable price and with no issues. Highly recommended!

  • Easy to deal with and part was ordered quickly

Fitment & Compatibility


How do I know if this part fits my car?

We recommend checking your vehicle's make, model, year, and variant carefully. Most product listings include compatibility notes, but if you're unsure, contact us before purchasing.

Can you confirm fitment before I place my order?

Absolutely. Send us your VIN or Rego and we’ll confirm fitment for you.

Do you offer installation at your workshop?

Yes, we offer installations for most parts at our Ringwood workshop. Contact us to book or get a fitting quote.

Shipping & Handling


How long will it take for my order to arrive?

Most in-stock items ship within 1-2 business days. Delivery time depends on your location and shipping option chosen at checkout.

Do you ship internationally?

Currently, we only ship within Australia. For international enquiries, please contact us directly.

Can I pick up my order in person?

Yes, local pickup is available from our Ringwood workshop. Simply select ‘Local Pickup’ at checkout and we’ll notify you when your order is ready.

Please note: Some items are stored offsite and may need to be transferred from our warehouse, which can add a few business days before pickup is available.

Returns & Warranty


Can I return a product if it doesn’t fit?

Returns are accepted within 14 days if the item is unused and in original packaging. Please see our full Returns Policy for details.


What warranty comes with your products?

All products come with the manufacturer’s warranty. If you experience any issues, contact us and we’ll assist with the claim process.