SKU: 40305703084

CTS TURBO 2018+ B9 AUDI S4/S5 V6T 3.0T (EA839) TEST PIPE

Sale price$286.10 Regular price$317.89
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Ships within 48 hours · Estimated delivery Aug 2 - Aug 7

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Description

CTS TURBO 2018+ B9 AUDI S4/S5 V6T 3.0T (EA839) TEST PIPECTS Turbo B9 S4 S5 3. 0T (EA839) high flow cat is made to maximize exhaust flow for highest power gains. Do not compromise performance and sound with factory parts unleash your B9 S4 S5 3. 0T potential! Designed using the latest in CAD technology; this part is made to fit perfectly in place of restrictive factory catalytic converter. Manufactured from T304 stainless steel, hand TIG welded and back purged to ensure years of reliable performance. In

CTS Turbo B9 S4/S5 3.0T (EA839) high flow cat is made to maximize exhaust flow for highest power gains. Do not compromise performance and sound with factory parts – unleash your B9 S4/S5 3.0T potential!

Designed using the latest in CAD technology; this part is made to fit perfectly in place of restrictive factory catalytic converter. Manufactured from T304 stainless steel, hand TIG welded and back-purged to ensure years of reliable performance.

In addition to unleashing the power and performance of your 3.0T, the CTS B9 S4/S5 3.0T EA839 high flow cat will make your vehicle sound like an S-car really should. When installed with factory exhaust it produces a sporty growl with much more pronounced exhaust “crackle” on downshift. While up-shifting you will enjoy a confident “braappp!” as you bang through all 8 gears. The sound will be even louder if you already have an aftermarket exhaust system.

Product Details:

  • Designed and tested on a real car in the real world
  • T304 stainless steel, TIG welded back-purged construction
  • Replaces restrictive factory catalytic converter
  • Install hardware included
  • Great power upgrade with uncompromising performance
  • Incredible sporty exhaust sound, subtle when cruising
  • No drone with factory exhaust
  • Stunning polished finish for great looks

To remove the CEL that will occur, proper tuning software must be used.

Download the installation guide: HERE

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: 40305703084

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4.4 ★★★★★
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J. N.
Los Angeles, US
★★★★★ 5
Amazing
Size: 90 Count (Pack of 1)
Amazing that this has no fishy taste or aftertaste. Surprisingly tastes good and is burpless.
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Reviewed in the United States on May 4, 2026
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Dmc
Grantham, US
★★★★★ 5
Jaw breaker redesigned
Size: 90 Count (Pack of 1)
I want to thank the manufacturer for changing the design of this shape to an easier to swallow elliptical shape instead of the jaw breaker shape.
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Reviewed in the United States on May 12, 2026
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Seajaws
Fort Morgan, US
★★★★★ 5
Excellent
Size: 90 Count (Pack of 1)
Not sure why, but after my first pill helped ease the pain in my hip generating from l4. I can’t say why but definitely pain improved.
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Reviewed in the United States on May 30, 2026
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Jose Ramos
Phoenix, US
★★★★★ 5
Good and Healthy Product
Size: 90 Count (Pack of 1)
Excellent
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Reviewed in the United States on May 16, 2026
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Mary Behan
Pawtucket, US
★★★★★ 5
GREAT READ
Format: Hardcover
I can’t stop thinking about Laws of Love and Logic, a debut novel by Debra Curtis. It’s beautifully written, incredibly heartbreaking, but nevertheless hopeful. It’s definitely not your typical romance novel rather it’s heavily character driven, and thought provoking. The characters feel so real. The way the author writes about the sisters’ relationship will stay with me forever. Also, having grown-up Catholic, I was so inspired to see progressive Catholicism with an emphasis on serving the most vulnerable, as being a foundational part of the sisters’ lives. The story spans decades, opening in the 70s and follows the characters into middle age. If you like books by Elizabeth Strout and Ann Patchett, you’ll love this one.
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Reviewed in the United States on May 1, 2026

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