SKU: 7507425749

CTS TURBO C8 AUDI RS6/RS7 RACE DOWNPIPE

Sale price$666.90 Regular price$741.00
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  • USA
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Ships within 48 hours · Estimated delivery Jul 17 - Jul 22

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Description

CTS TURBO C8 AUDI RS6/RS7 RACE DOWNPIPEThe CTS Turbo C8 Audi RS6 RS7 Race Downpipe were designed to seamlessly fit in place of your restrictive stock catalytic converters, which is situated immediately after the turbocharger. Designed using the latest in CAD technology; this part is made to fit perfectly in place of your factory downpipes. Manufactured from T304 stainless steel, hand TIG welded and back purged to ensure years of reliable performance. Substantial power gains, improved

The CTS Turbo C8 Audi RS6/RS7 Race Downpipe were designed to seamlessly fit in place of your restrictive stock catalytic converters, which is situated immediately after the turbocharger.

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

Substantial power gains, improved exhaust flow and a more throaty sound are the main benefits of installing our downpipe.

Product Details:

  • T304 stainless steel construction
  • Mandrel-bent stainless steel
  • Removable flange makes for easy installation
  • Fully tig welded design
  • Install hardware included
  • OPF/GPF temperature sensor ports (with plugs), bypass factory pressure sensors
  • Throaty sound
  • Great power upgrade

Stage 2 tuning software is required to avoid check engine light.

Installation notes for vehicles without OPF/GPF:

  • Transfer factory O2 sensors and tighten to 30 ft/lbs
  • Install supplied OPF/GPF plugs and tighten to 25 ft/lbs
  • Tighten downpipe nuts and bolts to 16 ft/lbs

Installation notes for ROW vehicles with OPF/GPF:

  • Remove the factory pressure sensors and lines from factory cats
  • Connect both ports of the pressure sensor together with the longer factory rubber hose and clamps. Re-install sensors and clip in the harness.
  • Install OPF/GFP temperature probes and tighten to 25 ft/lbs
  • Transfer factory O2 sensors and tighten to 30 ft/lbs
  • Tighten downpipe nuts and bolts to 16 ft/lbs
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: 7507425749

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4.2 ★★★★★
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ChelaTho813
Charlottesville, US
★★★★★ 5
The only one I'll use!
As the title says, this is the brand to get!! It's fast-acting, doesn't give me weird dreams like some do, and I never wake up feeling groggy.
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Reviewed in the United States on March 13, 2025
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Belle of the Ball
Boise, US
★★★★★ 5
Works wonders
I've been buying these for well over a year now as Subscribe and Save. I work 12 hour overnights as a nurse. My sleep schedule normally gets messed up. I would have no problem falling asleep but would wake up only a few hours later which is not good when you have work again that night. We buy these on Amazon due to the great price and the fact that they are extended release which helps keep me asleep longer. When I take 1 or 2 of them, I am able to sleep about 7-8 hours which is great. I take this both when I sleep during the day and sleep during the night. It helps me sleep no matter when and I am able to adjust my sleep schedule often. I have recommended them to many.
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Reviewed in the United States on January 10, 2013
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Verified Purchase
PSBone
Lake Worth, US
★★★★★ 4
Works quite well, dose still a bit high for me
Used to take the Natrol 5mg slow release, now that I can compare these 2, I love this more. It doesn't make me feel too edgy, it's quite relaxing actually. I still have to halve the dose as the full dose makes me groggy the next day. Where the Natrol gave me very vivid, but not unpleasant dreams, these don't make me dream as vividly. It does take a bit longer to get me to sleep, but once asleep, your asleep. Highly recommend, once I finish this bottle, I'd get the 2mg tr next time, as a lower dose works better for me.
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Reviewed in the United States on July 10, 2014
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Eudy Ernesto De León Batista
Natrona Heights, US
★★★★★ 5
Excelente Muy Satisfecho
Servicio excepcional, cuidadoso, el producto muy bien empacado. Y el tiempo de entrega fue el acordado. Y del producto ni hablar, excelente.
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Reviewed in the United States on February 3, 2026
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Dog Mom
Los Angeles, US
★★★★★ 5
seems to work just fine
Helps me sleep. I also use Mg, B complex and medical cannabis oil before bed. My sleep isn't great otherwise here in the good ol' USA (unlike in Europe where I sometimes go for complicated issues/not vacation; which indicates issues with the much higher radiofrequency exposure allowed in the US than in the European country where I sleep like a happy baby). Just wait for 5G, then I probably need to reinvent my sleep protocol if I want to get any rest. But well, with the 5G impact on the biosphere, we may not be here much longer then. That means we better stop 5G before it's all roleld out.
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Reviewed in the United States on August 2, 2019

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