SKU: 70360259469

CTS Turbo 8V/8Y RS3 and 8S TTRS 2.5T EVO 3.5" Single High-Flow CAT

Sale price$396.00 Regular price$440.00
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Ships within 48 hours · Estimated delivery Aug 23 - Aug 28

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Description

CTS Turbo 8V/8Y RS3 and 8S TTRS 2.5T EVO 3.5" Single High-Flow CATCTS Turbo is proud to announce our new single 3. 5" High Flow CAT for 2018+ Audi 8V 8Y RS3 8S TTRS with 2. 5L TFSI EVO (EA855) engine. \n \nThis stainless steel high flow downpipe that allows the user to remove the restrictive factory "main catalytic converters". \n \nWe used CAD simulation to streamline the flow of exhaust gasses and ensure that it splits evenly into two outlets. Many hours of R&D were spent to ensure perfect fit, smooth exhaust flow

CTS Turbo is proud to announce our new single 3.5" High-Flow CAT for 2018+ Audi 8V/8Y RS3/8S TTRS with 2.5L TFSI EVO (EA855) engine.
\n
\nThis stainless steel high-flow downpipe that allows the user to remove the restrictive factory "main catalytic converters".
\n
\nWe used CAD simulation to streamline the flow of exhaust gasses and ensure that it splits evenly into two outlets. Many hours of R&D were spent to ensure perfect fit, smooth exhaust flow and excellent sound.
\n
\nY pipe included for fitment with factory exhaust.
\n
\nUnfortunately, the Check Engine Light will come on after the installation; we strongly recommend using "stage 2" software because the CEL deletes or emulators are not compatible with these cars.
\n
\nFeatures:
\n
- Single 3.5" race downpipe
\n- Durable 304 stainless steel- Laser cut flanges and precision machined v-band
\n- Factory-like placement of O2 sensors
\n- Designed using the latest 3D scanning technology
\n- Exhaust flow simulated with CAD software to ensure optimal flow routing
\n- Aggressive sound - really makes that 2.5T scream
\n- No drone under normal driving conditions
\n- 200 Cell CAT
\n- Optional driveshaft removal tool available separately
\n
\nFitment:
\n
- 2018+ Audi 8V/8Y RS3 2.5T EVO (EA855)
\n- 2018+ Audi TTRS 2.5T EVO (EA855)
\n
\nStage 2 software is required to avoid check engine light.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 70360259469

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Bozeman, US
★★★★★ 5
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Size: One Size, Color: (001) Black / Black / Reflective
Hat fits well and worked great for my marathon. The Velcro doesn’t pull on my hair.
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Reviewed in the United States on November 24, 2025
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Kirsten Myers
Los Angeles, US
★★★★★ 5
Cute and comfortable, though a little big without tightening a bit
Size: One Size, Color: (100) White / White / Reflective
Love the bright color and material. It fits a little big at first but has the ability to tighten quite a bit so it should be fine like it is for me. I just have a smaller head. It has great coverage. Feels comfortable as well.
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Reviewed in the United States on January 7, 2026
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JuJu
Chelsea, US
★★★★★ 4
Perfect fit
Size: One Size, Color: (001) Black / Black / Reflective
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Reviewed in the United States on June 24, 2025
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Angee
Houston, US
★★★★★ 5
Buy it!
Size: One Size, Color: (001) Black / Black / Reflective, Size: One Size, Color: (001) Black / Black / Reflective
This hat (visor) is by far one of the most comfortable ones I’ve ever worn! Absolutely love it!!!!
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Reviewed in the United States on May 18, 2026
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Whiting, US
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Reviewed in the United States on June 2, 2026

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