Does the AWE S-FLO Carbon Intake for the B8.5 S4 and S5 require a tune to see the 15hp and 11ft-lb gains?

A tune is not required to install the intake, and real-world owners describe improved throttle response and a more audible supercharger whoosh on stock software. However, the full published gains of 15hp and 11ft-lb at the crank are achieved with supporting software. One S5 owner described the difference on stock tune as a slightly more responsive feel rather than a dramatic change, and noted they planned to add a tune next to unlock the full potential. If you are already running or planning a tune, the S-FLO Carbon Intake is the right foundation for it.

How does the AWE S-FLO Carbon Intake prevent heat soak on the B8.5 S4 and S5?

AWE's Director of Engineering addressed this directly; aftermarket intakes with open air filters pull in hot engine bay air, which cancels out much of the power gain from a freer-flowing filter. The S-FLO Carbon Intake retains the factory airbox housing and ducting to maintain a barrier against engine bay heat, while the enclosed carbon cover channels ambient ram-air to the filter rather than exposing it to underhood temperatures. The result is a cooler, denser charge compared to open element setups, which is what allows the power gains to hold up under real-world driving conditions.

Can I start with just the S-FLO filter and upgrade to the full carbon kit later on the B8.5 S4 or S5?

Yes. AWE designed the S-FLO intake suite as a modular system with a clear upgrade path. The entry point is the S-FLO Filter alone, which replaces the factory paper filter with the same washable, oiled cone unit and delivers 34% more airflow on its own. From there, the S-FLO Intake adds the high-flow Nomex®-lined silicone air tube. The carbon fiber cover is the final step, completing the fully enclosed S-FLO Carbon Intake. Each component is available individually and is compatible with the next step up, so the investment builds rather than restarts.

Will the AWE S-FLO Carbon Intake trigger a check engine light on the B8.5 S4 or S5?

No. The system mounts in the factory airbox location, integrates directly with the OEM ducting and sensor locations, and is designed to maintain proper sensor placement throughout. AWE's Perfect Fitment Guarantee covers the S-FLO Carbon Intake on both the B8.5 S4 from 2013 through 2016 and the B8.5 S5 from 2014 through 2017, and the system has been designed, engineered, and tested in-house by AWE to ensure no CEL issues on either application.

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Description

AWE Tuning S-FLO Carbon Intake for B8.5 Audi S4 / S5

The AWE Tuning S-FLO Carbon Intake for the B8.5 Audi S4 and S5 is built for drivers who want real performance gains without giving up under-hood aesthetics. The system is made up of three core components; a washable S-FLO filter, a high-flow 4-ply Nomex® fluorosilicone-lined steel wire reinforced silicone air tube, and a 2×2 twill carbon fiber cover. The fully enclosed design draws ambient ram-air through the inlet and channels it beneath the carbon cover, keeping intake temperatures low compared to open element setups that are exposed to engine bay heat. The result is a cooler, denser charge and impressive power gains delivered through a system that looks as purposeful as it performs.

Features

34% more airflow over stock
Max gains of 15hp and 11ft-lbs of torque at the crank
2×2 twill carbon fiber cover with UV-stabilized resin clear coat
Mounts in the factory location for clean OEM integration
4-ply Nomex®, fluorosilicone-lined, steel wire reinforced silicone air tube
Dry media, washable S-FLO filter
Designed, engineered, and tested in-house by AWE
Guaranteed perfect fitment

Applications

Audi S4: B8.5 | 2013-2016 | 3.0L V6 Turbo
Audi S5: B8.5 | 2014-2017 | 3.0L V6 Turbo

Frequently Asked Questions

Does the AWE S-FLO Carbon Intake for the B8.5 S4 and S5 require a tune to see the 15hp and 11ft-lb gains? A tune is not required to install the intake, and real-world owners describe improved throttle response and a more audible supercharger whoosh on stock software. However, the full published gains of 15hp and 11ft-lb at the crank are achieved with supporting software. If you are already running or planning a tune, the S-FLO Carbon Intake is the right foundation for it.
How does the AWE S-FLO Carbon Intake prevent heat soak on the B8.5 S4 and S5? AWE’s S-FLO Carbon Intake retains the factory airbox housing and ducting to maintain a barrier against engine bay heat, while the enclosed carbon cover channels ambient ram-air to the filter rather than exposing it to underhood temperatures. The result is a cooler, denser charge compared to open element setups, which is what allows the power gains to hold up under real-world driving conditions.
Can I start with just the S-FLO filter and upgrade to the full carbon kit later on the B8.5 S4 or S5? Yes. AWE designed the S-FLO intake suite as a modular system with a clear upgrade path. The entry point is the S-FLO Filter alone, which replaces the factory paper filter with a washable cone unit and delivers 34% more airflow on its own. From there, the S-FLO Intake adds the high-flow Nomex®-lined silicone air tube. The carbon fiber cover is the final step, completing the fully enclosed S-FLO Carbon Intake. Each component is available individually and is compatible with the next step up.
Will the AWE S-FLO Carbon Intake trigger a check engine light on the B8.5 S4 or S5? No. The system mounts in the factory airbox location, integrates directly with the OEM ducting and sensor locations, and is designed to maintain proper sensor placement throughout. AWE’s Perfect Fitment Guarantee covers the S-FLO Carbon Intake on both the B8.5 S4 from 2013 through 2016 and the B8.5 S5 from 2014 through 2017.

About AWE Tuning

AWE is driven by a singular goal: Unleashing Performance. Renowned for their handcrafted, award-winning performance exhausts, along with rigorously tested carbon fiber intakes and high-efficiency intercoolers, AWE is at the forefront of innovation, design, production, retail, and global distribution of their performance products. These products are available through a select network of dealers, online, and directly from their advanced facility located near Philadelphia, Pennsylvania. Established in 1991, AWE’s team of experts, comprising researchers, engineers, innovators, and seasoned drivers, has been dedicated to developing and introducing top-tier performance enhancements for some of the world’s most prestigious vehicles.

Additional Information

The Bulletproof Automotive website contains many thousands of products purchased in multiple different currencies. All of the prices are entered manually and accurately at the time of entry. Due to the consistently fluctuating international exchange rates, at times prices may not be able to be honored at their original intended rate. We apologize for any inconvenience this may cause, unfortunately our website is unable to compensate dynamically for what can at times be volatile changes in the cost of items due to currency values fluctuating, changes in prices from suppliers, changes in shipping and import duties, and other factors. Rest assured that any order you place on line will be at zero risk to you in this area. If in the event your order cannot be fulfilled at the original intended website price we will offer you a 100% refund, no questions asked. We will continue to do our best to maintain updated prices and we will always continue to offer our price match guarantees as well to ensure our prices are always the best for you. In short, prices may change without notice. It is always advised to give us a call prior to placing your order online to confirm availability and to confirm current pricing.

Shipping Policy

Items that are in stock in the US, either at Bulletproof’s warehouse or at a supplier’s warehouse, are generally delivered within 7-10 days. Special order items from overseas take considerably longer. As a courtesy Bulletproof offers delivery estimates to our customers which take into consideration manufacturer availability and shipping schedule. These estimates represent our best guess based on previous orders from the manufacturer and do not in any way imply a guaranteed delivery window. Many manufacturers work in a “just in time” inventory system and often take 2-20+ weeks to produce an item once an order is submitted. All deliverable items are then sent to our Japanese warehouse. Bulletproof ships a minimum of one full ocean freight container every month from Japan, oftentimes more than one a month. Ocean freight takes an average of 4 weeks. Typically it breaks down to one week in Japan for paperwork and customs, two weeks by boat and one week in US customs/clearance. Due to the wide number of variables between manufacturer and shipping schedules, delivery estimates are simply just that – estimates. We attempt to estimate conservatively and we usually deliver faster than our estimates suggest. It is not Bulletproof’s policy to guarantee delivery time of any special order item, this is impossible for us to do. By ordering you acknowledge that there is no required delivery ETA and an order may not be canceled or altered due to manufacturing or shipping delays, all ETA’s are provided as a best guess only. Please review the full Terms & Conditions here.

BP Pricing Difference

We do pricing a little differently on our JDM brands and we believe in making things simple and clear. No hidden fees or surcharges. Every price you see includes the shipping cost to our office in Los Angeles, California and all the associated taxes/duties/fees for bringing the products into the US. The only shipping you ever pay is from our facility in the US to your location. Be wary of resellers that don’t include the cost of international shipping in their pricing on JDM parts. While we believe we’ll always have the lowest all-in price on JDM products, we offer a price match guarantee for all authentic parts purchased from authorized dealers as well. For many international customers, it’s much more affordable to ship from the USA than from Japan directly, as the air freight and ocean freight costs are typically much less. However, for customers looking to ship directly from Japan outside of North America, or domestically in Japan, we can provide pricing specifically for that scenario. Please do not hesitate to contact us with any pricing questions or concerns. Please email us at sales@bulletproofautomotive.com with any inquiries.

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