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APR Catback Exhaust System | 8V RS3The APR Catback Exhaust System personalizes your vehicle's looks, sound and performance. Beautifully hand crafted T304 stainless steel components adorn the system with stunning TIG welding throughout. Our straight through brushed finished mufflers smooth the exhaust note to a deep growl, without adding restrictions or rasp. Strong high quality bracketry and OEM style clamps hold the system steadily in place, making the install or removal a snap, and

Improves throttle response and transforms the feel of the vehicle

aerofabb Competition Series Front Splitter

and left-hand threaded to adjust vehicle height with a quick spin of the link body

Using our in-house Superflow bench

Drive with confidence while keeping your engine safe on dirt roads

and get ready for supercar power from your RS-class Audi

IE's optional fan control feature allows you to run the fans and coolant pump at full power on demand using the cruise control stalk

which is easily plumbed to your mass airflow sensor using the included 2

IE manifold software fine-tunes the ECU calibration to match the manifold plenum and runner flow characteristics along with special tuning for the removed runner flaps

High-flow bellmouth

which is why we chose to use a proprietary tool steel alloy for the piston and pin

This includes everything necessary for the flex-fuel sensor to send real-time data from your fuel system to the ECU and adjust for any content mix from 91 pump to full E85 automatically

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