The COBB 10-12 Mazdaspeed3 Gen2 SS 3in Cat-Back Exhaust is designed for the verified vehicle applications listed below. Match manufacturer part number 572101, complete year, make, model, application, engine and transmission configuration, required calibration, emissions eligibility, interfaces, and every product note before ordering.

Key Features

• T304 Stainless Steel Build: Full 409-grade mid-pipe and T304 stainless steel muffler and tips resist corrosion for long-term durability in all conditions.
• High-Flow Resonated Muffler: Enlarged internal volume quiets harsh frequencies while amplifying turbo whistle and exhaust burble for an engaging drive.
• Bolt-On Design: Clamps and hangers match OEM mounting points for straightforward replacement without fabrication.
• 3-Inch Mandrel-Bent Piping: Smooth bends maintain velocity and reduce restrictions, supporting higher boost levels and freeing up power across the RPM range.
• Uses factory rubber hangers and stainless clamps no welding or cutting needed.
• Direct-fit systems tested for thousands of miles on track and street.

Fitment

Specifications

What’s Included

One new COBB product in the exact configuration and quantity identified by manufacturer part number 572101. Calibrations, hardware, hoses, clamps, gaskets, adapters, wiring, fluids, tools, and companion components are included only when expressly stated for this exact part number.

About COBB

COBB develops engine-management, intake, cooling, exhaust, drivetrain, suspension, and vehicle-accessory products for supported performance platforms. Correct selection remains exact-vehicle, exact-configuration, exact-interface, and exact-part-number specific.

Related COBB Products

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• Cobb 2010-2014 Volkswagen GTI 2.0T Cat-Back Exhaust
• Cobb 2022 Volkswagen GTI (MK8) Titanium Cat-Back Exhaust System

Browse the COBB collection for related tuning, intake, cooling, exhaust, drivetrain, and chassis products.

Frequently Asked Questions

Will this COBB product fit my 2010-2013 Mazda 3 Mazdaspeed?
That application is listed, but confirm the exact part number, engine and transmission configuration, factory equipment, required calibration, emissions eligibility, and every manufacturer note before ordering.

Are all supporting parts included?
Only components expressly listed for the exact manufacturer part number are included. Tuning, hardware, hoses, clamps, gaskets, adapters, wiring, fluids, and companion components may be separate.

Is tuning or calibration required after installation?
Requirements depend on the exact product and vehicle. Intake, fuel, boost, turbo, and engine-management changes may require a compatible calibration before operation.

Installation Instructions

Follow the current COBB and factory service instructions for this exact part number. Verify fitment, factory equipment, emissions eligibility, required calibration, software and firmware, interfaces, hardware, fluid or electrical connections, and clearances before installation. Inspect the completed work and confirm safe operation before full-load use.