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By Korsh Exhaust

Korsh Subaru WRX STI 2015-2021 Catback Exhaust - Stainless Steel with Titanium Tips

$1,799.00
$1,799.00
Shipping calculated at checkout.
Availability: Out of stock
SKU: KOR-CB-15STI
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$1,799.00
$1,799.00

  • Australia Wide Shipping

    $15 Flat Rate Shipping

  • Best Prices

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  • Performance Specialists

    In-House Technicians

Premium stainless steel catback exhaust system with titanium tips, engineered specifically for the 2015-2021 Subaru WRX STI. This complete exhaust system delivers exceptional performance gains, aggressive sound, and stunning visual appeal with its titanium tip finish.

  • Full stainless steel construction for durability and corrosion resistance
  • Premium titanium exhaust tips for distinctive styling
  • Direct bolt-on fitment for 2015-2021 WRX STI
  • Improved exhaust flow and reduced backpressure
  • Enhanced throttle response and power delivery
  • Famous Subaru exhaust note with refined tone - 90dB sound level
  • Professional-grade mandrel-bent piping made from 304 Stainless
  • Sound Level: 90dB
  • Construction: Stainless Steel
  • Tips: Titanium
  • Fitment: 2015-2021 Subaru WRX STI
  • Subaru WRX STI 2015-2021

Transform your STI's exhaust system with this premium catback that combines performance engineering with show-quality aesthetics. The stainless steel construction ensures long-lasting durability while the titanium tips add a distinctive finishing touch that sets your STI apart.

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.