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What an absolutely crazy sound coming from such a small car, I couldn’t be happier!

Absolute beauty from @485fab @485designs

Always good to see local RS3s coming back for more! @vmattiello had one of our stainless valved exhausts installed a few months ago, and now he’s taken it further - pairing the exhaust with our downpipe.. for track days 🔥 #485fab #485designs

Always good to see local RS3s coming back for more! @vmattiello had one of our stainless valved exhausts installed a few months ago, and now he’s taken it further - pairing the exhaust with our downpipe.. for track days 🔥 #485fab #485designs

Part 2 of 2 — final numbers are in.

Stock exhaust vs @485fab on this 2026 8Y RS3 running our IMS 800R Full Frame Turbo Kit. Here’s what it picked up.

Want to build something similar?
Everything you need is at irozmotorsport.com

Stainless steel 8V V2 / 8S V2 rear sections chillin in the grass 📈 Almost can’t even tell the TTRS version is valved. 8Y V2 in the works! Get ready 🔥🔥 #485fab #485designs

We mentioned adding a @485designs exhaust to the 2026… safe to say the videos don’t do it justice.

We put it back on the dyno to see how it compared to the stock exhaust, and the results speak for themselves.

Full dyno video and breakdown dropping this weekend 💪

Looking to upgrade your RS3 or TTRS?
Find everything you need at IrozMotorsport.com

These RS3 / TTRS V2 setups are just a treat to put together 🤓

Titanium X 8Y RS3 - Handmade goodness 🔥 Tedious process to get these fitted up properly, but worth it⚡️🚀 #485designs #485fab

Titanium X 8Y RS3 - Handmade goodness 🔥 Tedious process to get these fitted up properly, but worth it⚡️🚀 #485designs #485fab

Working up this turbo kit for @_aimoney_G82 M4🔥Still learning the scanner, but it sure makes life easier. Mockup placement is done and moved over to the engine stand out of the car for fabrication. Excited to cut up the hood 🔪👀 #485designs #485fab

TTRS V1…. .5😤 We’ve always optioned the V1 setups with smaller rear mufflers due to the space constraints in the rear of the vehicle, but that’s come to a change! Our 8Y exhausts use these same mufflers placed in the rear with great success, so we gave it a try with reworking the placement on 8S/8V. Needless to say it worked out great. Sound clips are coming. Product going live on the site soon🔥🔥 #485designs #485fab

TTRS V1…. .5😤 We’ve always optioned the V1 setups with smaller rear mufflers due to the space constraints in the rear of the vehicle, but that’s come to a change! Our 8Y exhausts use these same mufflers placed in the rear with great success, so we gave it a try with reworking the placement on 8S/8V. Needless to say it worked out great. Sound clips are coming. Product going live on the site soon🔥🔥 #485designs #485fab

TTRS V1…. .5😤 We’ve always optioned the V1 setups with smaller rear mufflers due to the space constraints in the rear of the vehicle, but that’s come to a change! Our 8Y exhausts use these same mufflers placed in the rear with great success, so we gave it a try with reworking the placement on 8S/8V. Needless to say it worked out great. Sound clips are coming. Product going live on the site soon🔥🔥 #485designs #485fab

TTRS V1…. .5😤 We’ve always optioned the V1 setups with smaller rear mufflers due to the space constraints in the rear of the vehicle, but that’s come to a change! Our 8Y exhausts use these same mufflers placed in the rear with great success, so we gave it a try with reworking the placement on 8S/8V. Needless to say it worked out great. Sound clips are coming. Product going live on the site soon🔥🔥 #485designs #485fab

8Y RS3 exhausts steadily being built! If you’re after more performance, quality that meets your vehicle’s standards, and something fabricated in the USA — look no further. Reach out to us. Stainless steel and titanium variations available 🔥🔥🔥