A huge upgrade over the stock valance
“a huge upgrade over the stock valance. It's probably the single biggest visual change you can make to the car.”
Swipe or use the arrows to explore. Actual product photography; photos show example configurations.
$1,199.00USD / Configure below
Product details
Where sophistication meets aggression. The Stealth Carbon Diffuser gives the B9 S5 a commanding presence, enhancing its lines with a premium, performance-driven design.
A detail worth getting right
MADE FOR
YOUR DRIVE.
Audi / Carbon fiber
- 01 Platform / chassis
- B9
- 02 Material / options
- Carbon fiber
Where sophistication meets aggression. The Stealth Carbon Diffuser gives the B9 S5 a commanding presence, enhancing its lines with a premium, performance-driven design.
Exclusive Design
Designed in-house by our team, this diffuser features a geometry and style unmatched anywhere else on the market.
Direct Fitment
Engineered as a direct replacement for the OEM rear valance—no modifications or cutting required.
2-Year Warranty
We stand behind our craftsmanship. Your diffuser is covered for two years against manufacturing defects such as UV fading or internal cracking. If a defect appears, we replace it at no cost to you.
For any inquiries, contact: Support@EuroImpulse.com
THIS ITEM IS IN STOCK AND SHIPS WITHIN 1-3 BUSINESS DAYS
Euro Impulse. Worldwide.
- Customers helped
- 3,782
- Countries shipped to
- 35+
- Established
- 2016
- Made and assembled in the
- USA
From the driver’s seat
DRIVER’S VERDICTS.
15 published reviews of this product, three per page. Swipe or use the arrows to browse.
In-house design makes all the difference
“You can tell this was an in-house design. It flows with the car's original lines perfectly, just making them more aggressive.”
My s5 finally looks aggressive
“My S5 always looked a little too nice from the back. This diffuser finally gives it the aggressive look it deserves.”
Worth the wait!
“The 3-4 week lead time was accurate, but it was absolutely worth the wait. The quality is incredible.”
My car turns so many heads now
“I'm not kidding, my car turns so many heads now. This diffuser really makes the car's presence known.”
Fitment was perfect, no issues
“I was worried about fitment, but it was a perfect direct replacement for the OEM valance. My shop had it on in no time.”
A total game-changer for the rear end
“This was a total game-changer for the rear end of my S5. It went from looking nice to looking aggressive.”
Carbon weave is flawless
“The carbon weave on this thing is flawless. No imperfections at all. The quality is top-notch.”
A full replacement, not a cover!
“I was so happy to find a full replacement diffuser, not just a cheap stick-on cover. a real, proper part.”
Stealth carbon look is amazing
“The Stealth Carbon name is perfect. It's an aggressive design, but the carbon fiber makes it look so sleek and high-end.”
The one to get
“If you're on the fence, just get this one. The design is the best on the market, period.”
This thing is a work of art
“This diffuser is a work of art. The carbon is beautiful, and the aggressive fins look amazing.”
Transforms Car, Perfect Fit
“The fitment is flawless and the quality is exceptional. My car looks fantastic.”
Perfect Look, Flawless Fitment
“Perfectly matches my car’s style. The fitment is precise and the quality is excellent.”
Beautiful Look, Easy Install
“The fitment is precise and the quality is superb. This spoiler is a great upgrade.”
A little guidance goes a long way
THE RIGHT PART.
THE RIGHT SUPPORT.
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