Borla 05-08 Scion tC Rear Muffler

This Borla axle-back exhaust system is built for the verified 2005-2010 Scion tC Base application listed below. Select it by exact manufacturer part number 11743 and confirm the full engine, drivetrain, body, wheelbase, factory-exhaust, and Borla application notes before ordering.

Key Features

• T-304 Stainless Steel Construction: Aircraft-grade material resists corrosion, ensures durability, and maintains peak performance for years with all-welded design.
• 2.25″ Mandrel-Bent Tubing: Straight-through flow design with CNC bends reduces backpressure, boosts exhaust velocity, and adds responsive throttle feel.
• Polished 4.25″ Oval Tip: Oversized T-304 stainless steel exit with embossed Borla logo enhances rear appearance and heat dissipation.
• Bolt-On Installation: Direct fit uses factory mounts, no cutting or welding needed for quick setup and reliable seal.
• Straight-Through Wide Oval Muffler: Free-flowing internals produce deep, aggressive exhaust note without drone, recognized by enthusiasts for its thrilling soundtrack.
• Bolt-on design fits in under 1 hour with basic tools; torque hangers to spec.

Fitment

Specifications

What’s Included

One new Borla product identified by manufacturer part number 11743. 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 05-08 Corvette Convertible/Coupe 6.0L/6.2L 8cyl SS S-Type Exhaust (REAR SECTION ONLY)
• Borla 05-08 Corvette Coupe/Conv 6.0L/6.2L 8cyl 6spd RWD Touring SS Exhaust (rear section only)
• Borla 05-08 Corvette Coupe/Conv 6.0L/6.2L 8cyl AT/MT 6spd S-Type II SS Exhaust (rear section only)

Browse the Borla collection for related exhaust systems and components.

Frequently Asked Questions

Will this Borla part fit my 2005-2010 Scion tC 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.