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  • APR 18-25 Audi S4/S5/S5 Sportback (B9) 3.0T Carbon Fiber Intake System - CI100043
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APR 18-25 Audi S4/S5/S5 Sportback (B9) 3.0T Carbon Fiber Intake System - CI100043
APR 18-25 Audi S4/S5/S5 Sportback (B9) 3.0T Carbon Fiber Intake System - CI100043
APR 18-25 Audi S4/S5/S5 Sportback (B9) 3.0T Carbon Fiber Intake System - CI100043
APR 18-25 Audi S4/S5/S5 Sportback (B9) 3.0T Carbon Fiber Intake System - CI100043
APR 18-25 Audi S4/S5/S5 Sportback (B9) 3.0T Carbon Fiber Intake System - CI100043
APR 18-25 Audi S4/S5/S5 Sportback (B9) 3.0T Carbon Fiber Intake System - CI100043
APR 18-25 Audi S4/S5/S5 Sportback (B9) 3.0T Carbon Fiber Intake System - CI100043
APR 18-25 Audi S4/S5/S5 Sportback (B9) 3.0T Carbon Fiber Intake System - CI100043
APR 18-25 Audi S4/S5/S5 Sportback (B9) 3.0T Carbon Fiber Intake System - CI100043
APR 18-25 Audi S4/S5/S5 Sportback (B9) 3.0T Carbon Fiber Intake System - CI100043
APR 18-25 Audi S4/S5/S5 Sportback (B9) 3.0T Carbon Fiber Intake System - CI100043
APR 18-25 Audi S4/S5/S5 Sportback (B9) 3.0T Carbon Fiber Intake System - CI100043
APR 18-25 Audi S4/S5/S5 Sportback (B9) 3.0T Carbon Fiber Intake System - CI100043
APR 18-25 Audi S4/S5/S5 Sportback (B9) 3.0T Carbon Fiber Intake System - CI100043
APR 18-25 Audi S4/S5/S5 Sportback (B9) 3.0T Carbon Fiber Intake System - CI100043
APR 18-25 Audi S4/S5/S5 Sportback (B9) 3.0T Carbon Fiber Intake System - CI100043
APR 18-25 Audi S4/S5/S5 Sportback (B9) 3.0T Carbon Fiber Intake System - CI100043
APR 18-25 Audi S4/S5/S5 Sportback (B9) 3.0T Carbon Fiber Intake System - CI100043
APR 18-25 Audi S4/S5/S5 Sportback (B9) 3.0T Carbon Fiber Intake System - CI100043
APR 18-25 Audi S4/S5/S5 Sportback (B9) 3.0T Carbon Fiber Intake System - CI100043
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APR 18-25 Audi S4/S5/S5 Sportback (B9) 3.0T Carbon Fiber Intake System - CI100043

Air Intake Systems Cold Air Intakes
APR
aprCI100043
In stock
Not CARB compliant. Not legal for sale or use in California on emissions-controlled vehicles.
$1,449.95 $1,631.95
This is the ultimate 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.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 sexy under the hood with the gorgeous carbon fiber design, 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...
APR 18-25 Audi S4/S5/S5 Sportback (B9) 3.0T Carbon Fiber Intake System - CI100043
SKU: aprCI100043
Product Details

Everything You Need To Know

Review product information, shipping and returns, and price-match details before you order.

Product Info

This is the ultimate 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.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 sexy under the hood with the gorgeous carbon fiber design, 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 carbon fiber and looks absolutely stunning under the hood. 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.

Features & Benefits

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

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In Stock Items:
In stock items typically ship within 1-3 business days. Most items arrive within 2 business days, but there are situations where it may take up to 5 business days.

Special Order Items:
Special order and out of stock items are product-specific and lead times can vary. Please e-mail us if you are looking for an ETA / Lead Time on a specific product. Special order orders are subject to cancellation if the vendor cannot provide any ETA.

Returns Policy

To start the return process, please e-mail sales@allianceracing.com

Include the following:
Subject "Return for Order#"
Order Number
Part Number
Reason

Returns are eligible for up to 14 days from delivery of items. Accepted refunds can take up to 7-10 business days to process. All refunds are subject to a 25% restocking fee, if opened. Customer may be responsible for return shipping. If 14 days have gone by since your item was delivered, unfortunately we can’t guarantee you a refund or exchange. We reserve the right to deny any return request, based on provided information.

Alliance Racing is not responsible for ensuring part fitment. It is the responsibility of the purchaser to ensure the parts being ordered are the correct fitment for the vehicle intended. Alliance Racing will not accept any returns for incorrect fitment after product is opened.

To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging.

Shipping

To return your product, mail your product to:
Alliance Racing LLC
8810 Twin Lakes Blvd
Tampa, FL 33614

In many cases, you will be responsible for shipping costs to return your item. Shipping costs are non-refundable. If you receive a refund, the cost of shipping will be deducted from your refund.

Depending on your location, the time it may take for your exchanged product to reach you may vary.

If you are shipping an item over $100, you should consider using a trackable shipping service and/or purchasing Shipping Insurance.

To initiate a price match, please e-mail sales@allianceracing.com with the product information (SKU, URL, & Part Name) and a link to the competitors product page for us to validate the price match eligibility.

Please note that there are cases when we cannot offer a price match, but we will do everything in our power to try to match it. Some manufacturers have Pricing Policies that we have to adhere to.

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