IE Carbon Air Intake System | Audi B9 S4/S5
Shipping & Returns
Shipping & Returns
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We do accept returns. Please email us at email@example.com to submit your request. Items sent to us without submitting a request will not be accepted.
We have a 14-day return policy, which means you have 14 days after receiving your item to request a return. Customer service is at the top of our values here at Brox Tuning and we try our best to make the return process painless for our customers. If you need more info please click here for our detailed return policy.
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Local Pick Up
Local Pick Up
If you are local to our physical location you have the ability to choose the "local pick up" option at checkout! This means you can come and get your items once they are available for pick up avoiding shipping costs. In stock items are usually ready within 1-3 hours. Out of stock items will need 1-2 weeks. Get in touch with us if you have questions about stock levels at firstname.lastname@example.org or call us at (416) 798-BROX
For the customer who demands quality and performance, IE's new Audi B9 S4/S5 Intake System delivers on power, sound, and quality wrapped up into a product that reflects the Audi S trim as a true performance machine. IE's engineers took a "no expense spared" approach to design the ultimate intake system solution that delivers on looks, fit, and most importantly - power!
Back-to-back dyno testing shows consistent power gains across the entire RPM band with +16HP and +16TQ over the stock intake without any additional hardware upgrades.
Carbon fiber construction was used to create complex shapes and angles that can not be achieved with sheet metal bends. This design style utilizes every millimeter available in the oddly shaped modern engine bay for a very large air supply and smooth delivery.
IE's intake system takes full advantage of a performance design including the turbocharger spool, engine throttle, and diverter valve sounds that come along with it. The unique velocity stack and bottom louver design create a tuned engine note that sounds classy, yet powerful at the same time.
The full-carbon 1-piece design reduces the chances of air leaks from joints, finicky installs, rubbing noises, or parts working loose over time while also providing an easier install. Unlike competitor designs, this does not require any additional parts sold separately to complete the intake.
The install process is simple and can be done quickly with basic tools. The airbox utilizes factory-style mounts that ensure a perfect fit and allow for natural engine movement which keeps intake components from getting damaged. The typical install time is under 1 hour.
The bell mouth shape channels air flow from the large internal airbox into the turbocharger as quickly as possible. This velocity stack creates a very high inertia flow from the massive 5" filter with very low drag or power-robbing turbulence.
Outside high-pressure flow from the front of the grille acts as a ram air design for the majority of the air supply. Additionally, the bottom plate louvers pull extra required air as needed from the low-pressure zone under the intake.
Back-to-back flow bench results show constant and consistent CFM (cubic feet per minute) gains over stock at any test pressure (in/H20). This data means the engine is able to take advantage of larger airflow across the entire RPM band.
To ensure a perfect fit, 3D scanning tools are used to create a digital duplicate of the vehicle's engine bay, grille, bumper, and hood. This provides an incredibly high-resolution environment to engineer and prototype the intake design.
No flimsy parts or quality sacrifices found here! Only the best materials and design features were used for a top-tier look, fit, function, and long-life reliability.
High-gloss true carbon fiber construction
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