This Borla cat-back exhaust system is built for the verified 2001-2006 Audi TT Quattro Base application listed below. Select it by exact manufacturer part number 14957 and confirm the full engine, drivetrain, body, wheelbase, factory-exhaust, and Borla application notes before ordering.

Key Features

• T-304 Stainless Steel Construction: Premium material resists corrosion for lasting durability and includes polished 4.250-inch tips for a motorsport look.
• Precise Mandrel Bends: 2.250-inch tubing with 2.500-inch inlet/outlet ensures smooth flow, optimal performance, and direct bolt-on fit.
• Split Rear Exit: Single split rear exit style directs flow efficiently while providing balanced sound and styling.
• Straight-Through Muffler Technology: Patented multi-core design increases exhaust velocity for added power, torque, and responsive throttle feel.
• Direct bolt-on installation with no cutting or welding required on stock setups.
• Yes, designed specifically for 2001-2006 Audi TT Quattro 1.8T 225HP Base and 2002 ALMS Edition (manual, AWD).

Fitment

Specifications

What’s Included

One new Borla product identified by manufacturer part number 14957. Clamps, hangers, gaskets, tips, pipes, tools, and companion parts are included only when expressly listed for this exact part number.

About Borla

Borla develops stainless-steel exhaust systems, mufflers, tips, pipes, and related components for vehicle-specific and universal performance applications. Product selection remains exact-application and exact-part-number specific.

Related Borla Products

• 2001-2006 BMW 323i Cat-Back Exhaust System S-Type Part # 140084
• 1996-2001 Subaru Impreza Cat-Back Exhaust System S-Type Part # 14885
• 2000-2002 Audi S4 Cat-Back Exhaust System S-Type Part # 14902

Browse the Borla collection for related exhaust systems and components.

Frequently Asked Questions

Will this Borla part fit my 2001-2006 Audi TT Quattro Base?
That application is listed, but confirm the engine, drivetrain, body or cab style, wheelbase, factory exhaust layout, tip opening, and every Borla application note before ordering.

Will this change require an engine tune?
A cat-back, axle-back, tip, muffler, or post-catalyst component usually does not require tuning, but confirm the exact application, emissions configuration, oxygen-sensor locations, and local requirements before installation.

What should I inspect before installation?
Check the shipping carton and components against the exact part number, then inspect clamps, hangers, gaskets, mating flanges, clearances, tip alignment, and required reused factory hardware before removing the original exhaust.

Installation Instructions

Follow the current Borla instructions and vehicle service information for this exact part number. Let the exhaust cool, support the vehicle safely, compare all parts before removal, protect sensors and wiring, use the specified clamps and torque values, align all joints and tips without preload, confirm body and suspension clearance, check for leaks, and retorque after the first heat cycles. Professional installation is recommended.