APR TT RS 2.5 TFSI RSC Exhaust System

APR is pleased to announce RSC™ Technology is now available for the Audi 2.5 TFSI TT RS in our Performance Exhaust System. APR's RSC™ Exhaust System is capable of delivering gains of +96 HP @ 4,150 RPM and +123 FT-LBS @ 3,900 RPM when combined with APR's Stage II ECU Upgrade and is fully compatible with APR's upcoming Stage III Turbocharger System.

RSC
RSC Technology
Installed Overview

RSC™, Reflective Sound Cancellation, allows for maximum exhaust gas flow while completely eliminating unwanted in-cabin sound resonance known as "drone". RSC™ incorporates innovative technologies developed in conjunction with NASA. With limited use of packing materials and no baffles, RSC™ allows for a completely straight and free-flowing exhaust path throughout the RSC™ mufflers. Reflective Cancellation bounces the undesirable sound waves into each other to attenuate the wave and completely eliminate the low-frequency tones that create drone. Each RSC™ muffler is tuned to eliminate specific, undesirable sound frequencies allowing only the engine's true and desirable exhaust note to be heard and improving performance.

Turboback System

Turboback Exhaust

APR's RSC™ Turboback Exhaust System replaces the entire factory exhaust with a High-Flow, Reflective-Sound-Canceling, mandrel-bent, stainless-steel design with minimal bends and no restrictive baffling or valving to impede exhaust flow. Beginning as a 4" v-band system, the exhaust smoothly transitions into a single 3" design with a high flow catalytic converter. Unwanted exhaust notes are cancelled out through the first RSC™ chamber before transitioning into a dual 2.5" design. Drone is completely removed as the exhaust travels through the rear RSC™ chambers before exiting the vehicle. You're left with the true sound of the Audi turbocharged 5-cylinder-engine and thanks to the RSC™'s free-flowing design, power and torque are greatly increased. The APR Turboback Exhaust System is a combination of the APR Downpipe and Catback Exhaust System, however each part may be purchased separately for use with your factory components.

Downpipe System

Downpipe Exhaust

APR's design specifications and manufacturing requirements resulted in a 4" v-band turbo outlet with a smooth transition into a 3" mandrel-bent stainless-steel design. The APR RSC™ Downpipe features a high-flow 200-cell metal matrix catalyst and connects seamlessly with the APR RSC™ or factory catback exhaust system. When connecting to the factory catback exhaust system, the downpipe splits from a 3" design to a dual 2.5" system after the secondary catalysts. Alternatively, when used as a full APR RSC™ Turboback Exhaust System, the downpipe remains as a 3" system and connects directly to the APR RSC™ Catback Exhaust. In either setup, no cutting or welding is necessary as the system is a direct fit and includes all necessary components for connecting to either the factory catback or APR RSC™ Catback.

Catback System

Catback Exhaust

APR's RSC™ Catback Exhaust begins as a 3" design and splits to a dual 2.5" design for each exhaust outlet. Smooth and unrestricted transitions at the splitter ensure exhaust velocity is not hindered. The mandrel-bent stainless-steel design is free of restrictions thanks to APR's RSC™ Technology found in each chamber. Three straight-through RSC™ chambers are specifically tuned to remove undesirable sound frequencies, "drone", from the cabin resulting in only the engine's true and desirable exhaust note. Expect quiet operation at low speeds and idle with nearly no in-cabin noise and experience the classic Audi 5-cylinder turbocharged exhaust note the second you mash the accelerator. The exhaust note is controlled by your right foot and does not require valving to restrict exhaust flow in an effort to reduce noise. The Catback Exhaust System does not alter any factory emissions components so it's emissions-testing friendly.

Exhaust Overview

Each configuration is constructed from low-carbon stainless-steel with high-precision jewelry-grade TIG welding and high-precision CNC MIG-welded components. High-Strength Torca exhaust clamps ensure leak-proof operation through the unrestricted design and a lifetime warranty ensures years of worry-free operation. To better understand the components included with each system, please click the Exhaust Overview buttons below.

TT RS RSC Turboback
TT RS RSC Catback
TT RS RSC Downpipe
TT RS RSC Turboback

Component Photos

Downpipe Downpipe Downpipe Catpipe Midpipe Center RSC Chamber Center RSC Chamber Rear RSC Chamber Rear RSC Chamber Outlets Reducer Reducer Reducer Torca Clamp Bung Plug

APR Stage II ECU Upgrade

The APR TT RS Turboback and Downpipe exhaust system is fully compatible with APR's Stage II ECU Upgrade. Stage II is a free upgrade for existing APR Stage I ECU Customers and is designed to maximize power output from the 2.5 TFSI Engine when coupled with the free flowing exhaust system. With lower exhaust gas temperature and unrestricted exhaust flow, APR's engineers are able to safely extract more power while working within the OEM and Tier 1 Supplier specifications for engine component stress tolerances and performance specifications. Turbocharger lag is reduced resulting in quicker acceleration every time you press the throttle! Click the tabs below to see the gains!

APR dyno
APR dyno
APR dyno
APR dyno

Video

Application Guide

The "Exhaust Overview" section above visually breaks down each system to understand what's included. If you have any questions, please don't hesitate to call an APR Representative!

Full Turboback Exhaust System
Vehicle Engine Transmission Drivetrain Part Price  
Audi TT RS 2.5 TFSI 6MT and S-Tronic Quattro FE100048$2,824.99Buy one Now!
Downpipe Exhaust System
Vehicle Engine Transmission Drivetrain Part Price  
Audi TT RS 2.5 TFSI 6MT and S-Tronic Quattro CD100028$874.99Buy one Now!
Audi RS3 2.5 TFSI 6MT and S-Tronic Quattro CD100028$874.99Buy one Now!
Catback Exhaust System
Vehicle Engine Transmission Drivetrain Part Price  
Audi TT RS 2.5 TFSI 6MT and S-Tronic Quattro CB100057$1,949.99Buy one Now!
Midpipe Exhaust System¹
Vehicle Engine Transmission Drivetrain Part Price  
This part is required for the APR Stage III Turbocharger System if the vehicle is not currently equipped with an APR Downpipe Exhaust System or APR RSC Turboback Exhaust System. The Midpipe forms a link between the APR Stage III Turbocharger System’s included exhaust components and the vehicle’s stock or APR RSC Catback exhaust system.
Audi TT RS 2.5 TFSI 6MT and S-Tronic Quattro CD100031$399.99Buy one Now!
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Phone: (800) 680-7921 Local Phone: +1 (334) 502-5181 Fax: (334) 502-5180 Address: APR LLC, 4800 US HWY 280 West, Opelika, AL 36801

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