Integrated Engineering Audi 8Y S3 Catback Exhaust & 3.0T Supercharged Dual Pulley Power Kit
24th Oct 2025
Integrated Engineering Catback Exhaust System For Audi 8Y S3 - IEEXDB4
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Unleash the full potential of your Audi 8Y S3 with the Integrated Engineering (iE) Catback Exhaust System. Engineered to deliver an aggressive yet refined tone, this high-performance exhaust system transforms your driving experience with deep rumbles at idle and thrilling roars at high RPMs.
Key Features:
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Aggressive, yet refined exhaust note
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iE DroneTrap™ Technology resonator for reduced cabin drone
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Sporty 4" slash-cut quad exhaust tips with brushed finish
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Adjustable depth tips for customized appearance
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High-flow 3" piping transitioning to dual 2.5" tailpipes
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Mandrel-bent T304L stainless steel construction
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TIG-welded joints for superior durability
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Reinforced hangers for stable mounting and vibration control
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Stamped, multi-wall muffler to prevent warping
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Wide-width stretch clamps for tight, leak-free connections
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Simple bolt-on installation – no cutting or welding required
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Compatible with both stock and iE downpipes
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Average installation time: 1–2 hours
Performance & Sound:
Designed for enthusiasts who crave a pure driving experience, the iE Catback delivers an unruly, motorsport-inspired sound that enhances every drive. The DroneTrap™ resonator eliminates unwanted frequencies while preserving the bold, rich exhaust tone that defines Audi performance.
Durability & Quality:
Constructed from corrosion-resistant T304L stainless steel and precision TIG-welded, this exhaust system ensures long-term reliability. Each component is crafted with meticulous attention to detail for strength, fitment accuracy, and noise control.
Perfect Fitment:
Utilizing 3D scanning and advanced CAD modeling, Integrated Engineering engineers ensure a precise fit to the Audi 8Y S3 chassis. Every section is optimized for maximum exhaust flow and clearance, preventing rattles, leaks, or vibration.
Easy Installation:
No permanent modifications are needed. The system installs easily using common tools, with all hardware included for a seamless fit.
Integrated Engineering 3.0T Supercharged Dual Pulley Power Kit For DSG Trans - IEPPCGJ1
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Transform your Audi S4, S5, SQ5, A6, or A7 equipped with the 3.0T supercharged engine and DSG transmission into a high-performance machine with the Integrated Engineering (IE) Dual Pulley Power Kit. This all-inclusive system delivers unmatched power gains, seamless at-home tuning, and optimized drivability—all with factory comfort and reliability intact.
Key Features:
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Gain up to 548 HP and 525 ft-lbs of torque (with additional hardware)
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Includes IE Stage 2 Dual Pulley ECU Tune
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Includes IE DSG Transmission Tune for faster, smoother shifting
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Includes IE 207mm Crank Pulley – Dual Pulley Ratio (3.2753 SC ratio)
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Includes IE Powerlink OBDII Flash Tool for at-home installation
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Easy setup with no shop visit required
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Multiple octane support: 91, 93, 100, 104, and E40 ethanol blend
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Optional crackle tune and two-step launch control
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Raised RPM limit to 7350RPM and removed top speed limiter
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Compatible with upgraded throttle bodies and ported superchargers
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Manual fan and fuel drain options included
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Complete bolt-on system with fast installation
Performance Upgrade Overview:
IE’s Dual Pulley Power Kit increases boost through a larger 207mm crank pulley and advanced ECU calibration. When paired with the DSG tune, this setup maximizes acceleration, throttle response, and overall power delivery—pushing your 3.0T engine to its peak capability.
IE Dual Pulley ECU Tune:
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Up to 548 HP with optimized torque curve
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Calibrated for 91, 93, 100, and 104 octane fuels
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E40 ethanol blend support for enhanced performance
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Improved boost control and air/fuel ratios for CAT protection
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Optional exhaust crackle and two-step launch control features
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Easy octane switching in minutes using the IE Powerlink tool
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Data logging, fault code reading, and tune adjustments available
IE DSG Transmission Tune:
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Optimized shift mapping for performance and drivability
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Faster gear changes and enhanced launch response
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Adjustable launch control with selectable RPMs (3400, 3600, 3800, 4000 RPM)
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Expanded powerband for quicker 0–60 mph times
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Compatible with all IE ECU tuning files for complete system integration
IE 207mm Crank Pulley:
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Achieves dual pulley performance with a single pulley swap
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Eliminates need for supercharger pulley removal
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High-quality construction for reliable boost increase
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Direct-fit design for quick and easy installation
Fuel Options and Requirements:
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Supports multiple octane maps: 91 / 93 / 100 / 104 (95 / 98 / 104 / 108 RON)
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E40 ethanol blend supported (E85 + 91/93 mix)
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Heat exchanger upgrade required for Stage 2 Dual Pulley setups
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HPFP (High-Pressure Fuel Pump) upgrade required for E40 operation
Additional Recommended Hardware:
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IE Cold Air Intake – Improves airflow and sound
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IE High-Pressure Fuel Pump – Required for E40 ethanol use
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IE Throttle Body Upgrade (S4/S5 only) – For full bolt-on performance
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IE Downpipes – Add aggressive exhaust tone and improved flow
Vehicle Fitment:
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Audi S4 (2009–2016) B8/B8.5 3.0T
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Audi S5 (2013–2015) B8/B8.5 3.0T
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Audi S5 Convertible (2008–2015) B8/B8.5 3.0T
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Audi SQ5 (2012–2017) B8/B8.5 3.0T
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Audi Q5 (2008–2017) B8/B8.5 3.0T
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Audi A6 (2012–2016) C7 3.0T*
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Audi A7 (2011–2016) C7 3.0T*
*Note: 2016–2018 A6 & A7 3.0T (CREC engines) and some late-model non-US S4/S5 versions are not compatible. CREC engines can be identified by a 4-bolt supercharger pulley. Please refer to IE 3.0T CREC tuning options for those models.