Borla 09-15 Audi A4 Quattro Base SS Catback Exhaust

This Borla cat-back exhaust system is built for the verified 2009-2014 Audi A4 Base application listed below. Select it by exact manufacturer part number 140315 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 long-lasting durability in all conditions, with mirror-polished 3.5-inch dual left rear exit tips.
• Mandrel Bent Tubing: 2.5-inch diameter tubing with smooth bends ensures maximum flow without restrictions, paired with a high-quality flex joint for precise fit.
• Borla Sound of Power: Aggressive yet refined exhaust note recognized by enthusiasts, providing a thrilling soundtrack without drone.
• Direct bolt-on replacement; no cutting or welding required for stock applications.
• Bolt-on design uses factory hangers; allow 1-2 hours with basic tools and jack stands.
• Pioneer in stainless steel exhaust since the 1970s, starting with classics like Ferrari and Rolls-Royce.

Fitment

Specifications

What’s Included

One new Borla product identified by manufacturer part number 140315. 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

• Borla 06-09 VW GTI Base SS Catback Exhaust
• Borla 09-15 Toyota Tundra 4.6L / 5.7L V8 Crew Max / Double Cab SS Dual Split Catback Exhaust
• Borla 08-09 Pontiac G8/GT 6.0L 8cyl SS Catback Exhaust w/ X Pipe

Browse the Borla collection for related exhaust systems and components.

Frequently Asked Questions

Will this Borla part fit my 2009-2014 Audi A4 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.