SKU: 85143497357

APR PEX Intake - 3.0T S4/S5 - Audi B9

Sale price$306.90 Regular price$341.00
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Ships within 48 hours · Estimated delivery Jul 20 - Jul 25

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Description

APR PEX Intake - 3.0T S4/S5 - Audi B9This is the perfect intake upgrade for the Audi S4 and S5 (B9). It flows 31% more than stock, reduces pressure drop, and improves turbocharger efficiency. This directly translates to +19 AWHP and +20 AWFT LBS of torque on top of our Stage 1 (93) tune making this a simple upgrade for more power you can feel, and does so at an incredible value. Our system is a full upgrade as it replaces all of the intake components from the inlet scoop all the way to

This is the perfect intake upgrade for the Audi S4 and S5 (B9). It flows 31% more than stock, reduces pressure drop, and improves turbocharger efficiency. This directly translates to +19 AWHP and +20 AWFT-LBS of torque on top of our Stage 1 (93) tune making this a simple upgrade for more power you can feel, and does so at an incredible value.

 

Our system is a full upgrade as it replaces all of the intake components from the inlet scoop all the way to the turbo inlet. This is extremely important as focusing on the airbox alone does not address the main restrictions found in the factory intake system. Simply put, our system flows better than stock, makes more power, puts less strain on the turbocharger, looks great under the hood, and enhances the sound of the engine. The factory turbocharger inlet pipe is a big restriction point because it's small. It's common for most intake systems to only focus on the filter and airbox, but doing so only has minimal impact on performance. Furthermore, upgrading the turbocharger inlet pipe only has minimal impact on performance if it still necks down to with the factory or aftermarket intake airbox. We solve this by making our pipe as large as possible from the 4" filter outlet all the way to the turbocharger inlet in one piece! This minimizes pressure drop and increases flow through the system far better than a multi-piece solutions. Our system is made from PEX and looks great stunning under the hood, matching the texture of other components. By using this material we are able to make the wall-thickness of the tubes smaller, maximizing the internal diameter, increasing performance even more! The material also allows us to make complex organic shapes necessary when working in a tight engine bay. The airbox is fed from an inlet scoop that maximizes the flow path into the airbox. The airbox has cutouts allowing for additional flow paths directed away from the engine. This keeps air temps down, and increases sound without it being overbearing. The filter is massive as well. A big filter is desirable as increasing filtered surface area keeps the filter breathing easily for many miles as it filters dirt, dust, and particles. It measures 7" by 7" with a 5.5" frontal inlet, and a 4" outlet. The filter media is a washable pleated cotton gauze that can be cleaned for extended life, or replaced with ease. Our kit includes everything you need to bolt on and go. No new tuning is needed to run this product, and the product is emissions friendly. We include all new OEM gaskets and all the nuts, bolts, and clamps needed for an easy install. Lastly, thanks to our billet turbo inlet adapter, this is the only intake you'll ever need. Should you later upgrade your turbo, a new, larger adapter can be installed to adapt to the larger inlet simply by swapping out the billet adapter!

Features:

  • Full intake system: Inlet, airbox, filter, and inlet piping
  • +19 AWHP & +20 AWFT-LBS gain over stock (APR Stage 1 93)
  • Flows 31% more than stock
  • Reduced pressure drop at the turbo inlets
  • Improved linearization across the turbos
  • Enhanced engine sound
  • OEM appearing PEX construction
  • Turbos spool faster
  • Turbos operate more efficiently
  • Massive 7” x 7” filter with a 4” outlet and 5.5” frontal inlet
  • High flow and washable pleated cotton gauze filter material
  • Airbox has additional flow paths faced away from the engine
  • Inlet piping diameter is maximized from the 4” filter all the way to the turbocharger
  • Inlet piping addresses system restriction, unlike competitive airbox systems that are compatible with factory inlet piping
  • Billet turbo adapter ring make fitting this system to a larger turbo possible
  • New OEM gaskets included
  • Incredible Value
  • Emissions friendly

 

Brand APR
Emission Code 7
Filter Color Red
Filter Material Pleated Cotton Gauze
Material PEX
Product Type Intake System
UPC 810009933595
Part Number CI100047
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: 85143497357

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4.1 ★★★★★
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JB
Pawtucket, US
★★★★★ 5
Love love love this bra.
Size: 34E, Color: Beige
I dont really write reviews but really felt like I needed to hop on here and give one. I have a terrible time finding bras that fit (small frame and my boobs never shrunk back down after having kids). I was initially looking for a non-underwire bra and ordred a couple to try. Was annoyed when this came in having underwire but thought ok, well its here so may as well try it. Fit like a dream so I told myself, Ill wear it for an hour and see how I feel about it then. I totally forgot I was wearing it. It is SO comfortable. The back doesnt ride up, I dont have underboob, it breathes nicely, holds me up, straps dont dig in or fall down, and I dont feel a huge sense of relief after taking it off at the end of the day. Ive ordered two more and after a few weeks of wearing and washing a couple times, I still absolutely love it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 9, 2026
S
Verified Purchase
Scott Gnixon
Boise, US
★★★★★ 5
The PERFECT bra!
Size: 38D, Color: Barely Buff
I typically don't write reviews...but I just had to with this bra! I have not worn an underwire bra in years. I have had such a hard time finding something that is comfortable, supportive and does not allow for overflow. This bra is perfect! The material is soft and stretchy. It covers everything and does it comfortably! It also provides a perfect lift! The color is a perfect skin tone. Pretty sure I will be buying more!
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Reviewed in the United States on February 24, 2026
S
Verified Purchase
suzieQ
Battle Creek, US
★★★★★ 5
SUPER SOFT!! I'm impressed with how amazing this sheer bra feels on!!
Size: 46C, Color: Orchid Hush, Size: 46C, Color: Orchid Hush
I already loved Delimira front closure bras so thought I'd try these sheet mesh ones with Valentine's day coming up. Wow, was I super happy! The "mesh" that I have found scratchy on other brands was SUPER SOFT on this one. It's a stretchy fabric, but definitely is giving my C cups support. The size fit exactly as the other Delimira bras fit me. The shoulder straps feel wonderful too -- that's an added bonus. I was worried the back would be too much material and/or feel weird, but I loved how it felt and the coverage will make for zero tugging. This design is fantastic! As soon as I tried it on, I immediately ordered more colors and now have the light purple, red, white, and teal blue!! Oh and yes, it's sheer and will show your nips (some colors more than others), but not through a shirt. It provides the same coverage as other unlined bras under shirts. If you want a sexy bra that's comfortable too, this is it! My only complaint is that all the hardware on the bras are GOLD, no matter which color you order. I would prefer silver.
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Reviewed in the United States on January 3, 2026
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NH
Cuba, US
★★★★★ 5
Comfy but don’t expect too much support
Size: 40F, Color: Snow White
Closure was a little stiff until I used it a few times. Fit was as expected; posture back feels good. Underwire isn’t uncomfortable at all. Mesh material is breathable and soft. Doesn’t provide real strong dupport so if that’s what you’re looking for you might be disappointed.
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Reviewed in the United States on May 11, 2026
M
Verified Purchase
Mary La Og
Massapequa, US
★★★★★ 3
Delimira posture front closing bra
Size: 40DD, Color: Sargasso
This bra is great however there’s room to make it better. There is great back support & coverage of back fat as well as side fat. The strap is thick & comfortable. The strap stays in place also. The front closure is a plus however what does make it uncomfortable is the wire due to the length & the material needs to be thicker or maybe the wire should be some other material. The other part of it being uncomfortable is that the cups run oddly smaller & I sized up so if I go up another size the bra will be too big & not stay in place. This bra with some work could be excellent though.
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Reviewed in the United States on November 15, 2025

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