Fits 2013-2015 Ford Focus ST.

The Cobb 3in Stainless Steel Catback Exhaust (591100) is engineered to reduce backpressure and provide a refined, sporty tone for the Ford Focus ST. This system utilizes mandrel-bent 3-inch stainless steel tubing to ensure optimal exhaust flow and maximum durability against the elements. Designed as a direct-fit upgrade, it replaces the restrictive factory exhaust while utilizing the factory mounting points for a secure installation.

• High-quality stainless steel (SS) construction for corrosion resistance
• Mandrel-bent 3-inch tubing maintains consistent diameter through all bends
• Direct-fit replacement for the factory catback system
• Optimized exhaust note provides a deep sound without excessive drone
• Manufacturer Part Number: 591100

Fits 2013-2015 Ford Focus ST models.

The Cobb Exhaust Hanger Kit is designed to eliminate the excessive movement and swaying common with the soft factory rubber mounts. This kit is a critical upgrade for Focus ST owners who have installed aftermarket cat-back exhaust systems or those experiencing rattles and tip misalignment due to worn OE hangers.

Constructed from high-durometer material, these hangers provide a much stiffer mounting solution that resists the high heat and stresses of performance driving. By securing the exhaust more firmly, they prevent the piping from contacting the chassis or rear fascia, ensuring your exhaust tips remain perfectly centered in the bumper cutouts.

• Direct-fit replacement for factory rubber hangers
• Reduces exhaust system movement and vibration
• Prevents exhaust contact with chassis and body panels
• Maintains consistent exhaust tip alignment
• Manufacturer Part Number: 591001

Fits 2010-2013 Mazda 3 Mazdaspeed.

The Cobb Exhaust Hanger Kit for the Gen2 Mazdaspeed3 is an essential upgrade for owners looking to stabilize their exhaust system. Factory rubber hangers are often too soft, allowing the exhaust to sway during spirited driving or under heavy load. This movement can lead to annoying rattles, potential contact with the rear bumper or chassis, and stress on the exhaust manifold and hangers.

This kit replaces the original equipment with high-durability hangers that provide a much firmer mount. It is particularly recommended when installing larger-diameter aftermarket cat-back or turbo-back exhaust systems that require more support than the stock bushings can provide. These hangers install directly into the factory mounting points without modification.

• Prevents exhaust sway and rattling by providing a more rigid mounting point
• Reduces stress on exhaust components and plumbing
• Direct replacement for worn or soft factory rubber hangers
• Designed specifically for the Gen2 Mazdaspeed3 chassis
• Manufacturer Part Number: 572001

Fits 2022-2024 Subaru WRX models.

The Cobb 3-inch Stainless Steel Catback Exhaust is engineered to reduce backpressure and improve the exhaust note of your vehicle. This system replaces the restrictive factory exhaust from the catalytic converter back, utilizing 3-inch diameter stainless steel piping to maximize flow. Designed as a direct bolt-on upgrade, it uses factory mounting points for a secure fit and straightforward installation.

• 3-inch diameter stainless steel construction for corrosion resistance and durability
• Precision-engineered for the 2022-2024 Subaru WRX chassis
• Direct bolt-on installation replaces the factory catback system
• Optimized piping diameter for improved exhaust scavenging and sound
• Manufacturer Part Number: 516100

Fits 2011-2021 Subaru WRX and STI Sedan models (GV and VA chassis).

The Cobb Catback Exhaust system is engineered to improve the performance and acoustic profile of your WRX or STI. By replacing the restrictive factory piping with a high-flow 3-inch design, this system reduces backpressure and allows the flat-four engine to breathe more efficiently. Constructed from 304 stainless steel, it is built to withstand the elements while providing a significant upgrade in material quality over the original equipment.

The system features mandrel-bent tubing to maintain a consistent diameter through every turn, ensuring smooth exhaust gas velocity. It terminates in quad polished tips that are designed to fill the factory bumper cutouts for a clean, aggressive look. As a direct bolt-on component, it utilizes factory mounting locations for a straightforward installation process.

• 3-inch mandrel-bent 304 stainless steel construction
• Quad 3.5-inch polished stainless steel tips
• TIG welded for maximum durability and precision
• Direct bolt-on fitment to factory mounting points
• Includes all necessary hardware for installation
• Manufacturer Part Number: 515160

Fits 2015-2019 Subaru WRX and WRX STI.

The Cobb Titanium 3in Catback Exhaust provides a premium exhaust solution for the VA chassis Subaru, engineered to optimize exhaust gas velocity while significantly reducing weight compared to the factory steel system. Fabricated from high-grade titanium with precision TIG welds, this system offers superior corrosion resistance and the distinct, crisp exhaust note associated with exotic metal construction. The 3-inch diameter mandrel-bent tubing ensures a straight-through flow path, reducing backpressure for improved turbo spool and power potential.

• 3-inch (76mm) mandrel-bent titanium tubing for maximum flow
• Significant weight savings over the heavy OE muffler and midpipe assembly
• Precision TIG welded for long-term structural integrity
• Direct bolt-on fitment using factory-style hangers and mounting points
• Resistant to oxidation and extreme thermal cycling
• Manufacturer Part Number: 515140

Fits 2015-2020 Subaru STI models.

The Cobb 3in Stainless Steel Cat-Back Exhaust Hardware Kit provides the essential components needed to maintain or install your performance exhaust system. This kit (MPN: 515132-HW) is specifically designed to work with 3-inch diameter stainless steel cat-back systems, ensuring a precise fit and a leak-free seal. Replacing old, corroded hardware is critical for maintaining exhaust velocity and preventing unwanted noise or fumes.

• Complete hardware set specifically for 3-inch cat-back exhaust systems
• Durable stainless steel construction for superior corrosion resistance
• Includes all necessary high-temperature gaskets and fasteners
• Direct replacement hardware for 2015-2020 Subaru STI applications
• Manufacturer Part Number: 515132-HW

Fits 2008-2014 Subaru STI Hatch and 2011-2014 Subaru WRX Hatch.

The Cobb 3in Catback Exhaust (MPN 515101) is engineered to improve exhaust flow and deliver a deeper, more aggressive tone without excessive drone. By replacing the restrictive factory midpipe and muffler sections with a high-flow 3-inch design, this system reduces backpressure, allowing your turbocharged Boxer engine to breathe more efficiently. Specifically tailored for hatchback chassis dynamics, this exhaust utilizes factory mounting points for a secure and straightforward installation.

• 3-inch diameter tubing for increased exhaust gas flow and reduced backpressure
• Complete catback system replaces all components from the catalytic converter to the rear bumper
• Precision fitment specifically for Subaru 5-door hatchback models
• Direct bolt-on installation using factory-style hangers
• Manufacturer Part Number: 515101

Fits select 2005-2014 Subaru Legacy GT, WRX, and Forester XT models.

The Cobb SS Turbo Heat Shield is a critical component for managing under-hood temperatures. By containing the radiant heat generated by the turbocharger's exhaust housing, it prevents thermal soak into the intercooler and protects sensitive components like the brake master cylinder and wiring harnesses from heat damage. This shield is precision-engineered to replace or upgrade factory heat management for improved performance and engine bay longevity.

• Constructed from durable stainless steel for superior corrosion resistance
• Reduces engine bay temperatures to help maintain intercooler efficiency
• Retains heat within the turbocharger to assist with exhaust velocity
• Bolts to factory mounting points for a straightforward installation
• Manufacturer Part Number: 514510

Protect your engine bay components and maintain cooling efficiency with the Cobb Turbo Heat Shield (MPN 512510). This shield is designed for select 2002-2019 Subaru WRX, STI, and Forester XT models, providing a necessary thermal barrier between the turbocharger and critical parts like the intercooler, brake master cylinder, and wiring harnesses.

While the factory heat shield often interferes with aftermarket downpipes, the Cobb design offers ample clearance while effectively managing radiant heat. By containing the high temperatures generated by the turbo housing, this shield helps prevent heat soak, ensuring your intercooler can do its job and keep intake air temperatures stable during spirited driving.

• Fits 2002-2007 Subaru WRX, 2004-2019 Subaru STI, and 2004-2008 Subaru Forester XT
• Reduces radiant heat transfer to the engine bay and intercooler
• Designed to clear most aftermarket downpipe configurations
• Direct bolt-on installation using existing factory mounting points
• Manufacturer Part Number: 512510

Fits 2002-2007 Subaru Impreza WRX and WRX STI (including Limited and TR submodels).

The Cobb Tuning Cat-Back Exhaust system (512100) replaces the restrictive factory tubing and muffler assembly from the catalytic converter rearward. Engineered for enthusiasts seeking a refined yet aggressive boxer engine tone, this system is designed to improve exhaust flow and overall engine response by reducing backpressure. It is a direct-fit replacement that utilizes factory-style mounting points for a secure installation.

• Direct fit for 2002-2007 Subaru Impreza WRX and STI models
• Replaces factory exhaust components from the catalytic converter back
• Engineered to enhance exhaust flow and provide a deeper tone
• Includes all necessary hardware for installation
• Manufacturer Part Number: 512100

Fits Volkswagen GTI (MK7/MK7.5/MK8), Golf R, and Audi A3 and S3 (8V) models.

Elevate the aesthetic of your engine bay with the Cobb Redline Carbon Fiber Engine Cover. This premium component replaces the underwhelming factory plastic shroud with a high-performance material that reflects the caliber of your vehicle's engineering. Designed as a direct-fit upgrade for the EA888 engine platform, it provides a clean, motorsport-inspired look while utilizing factory mounting locations for a secure installation.

• Manufactured from high-quality carbon fiber with a classic 2x2 twill weave
• Finished with a high-gloss clear coat for enhanced UV protection and heat resistance
• Features the signature Redline series styling accents
• Simple installation that requires no permanent vehicle modifications
• Manufacturer Part Number: 4V2600

Fits select 2021-2023 Ford F-150, Raptor, Tremor, and Limited models (2.7L/3.5L EcoBoost).

Clean up your engine bay and replace the utilitarian factory plastic with the Cobb Redline Carbon Fiber Radiator Shroud. This precision-engineered component (MPN 4F3660) is designed to optimize the appearance of the front cooling stack while maintaining the structural integrity needed for high-temperature environments. Constructed from premium carbon fiber, it offers a significant aesthetic upgrade that matches the performance pedigree of the F-150 EcoBoost platform.

• Manufactured from 2x2 twill weave carbon fiber for a high-end, technical look
• Finished in a UV-resistant high-gloss clear coat to prevent yellowing or degradation
• Includes a bespoke Cobb Redline branded badge for an authentic finish
• Direct bolt-on replacement utilizing factory mounting locations for a simple installation
• Designed specifically for the 2021-2023 Ford F-150 engine bay configuration
• Manufacturer Part Number: 4F3660

Fits 2021-2023 Ford F-150 and F-150 Raptor models equipped with EcoBoost engines.

The Cobb Radiator Shroud (MPN 4F3600) replaces the uninspired factory plastic cover with a durable, performance-oriented upgrade. This shroud is engineered to bridge the gap between the front grille and the radiator support, ensuring air is efficiently directed through the cooling stack rather than escaping over the top. It provides a significant aesthetic improvement to the engine bay while maintaining critical airflow characteristics.

• Precision-cut 5052-H32 aluminum construction for maximum durability and heat resistance.
• Textured wrinkle black powder-coated finish for a resilient, professional look.
• Direct bolt-on fitment utilizing factory mounting locations for a seamless installation.
• Laser-etched Cobb logo adds a refined touch to the engine compartment.
• Manufacturer Part Number: 4F3600

Fits 2022-2024 Subaru WRX models.

Elevate the visual appeal of your engine bay with the Cobb Redline Carbon Fiber Engine Cover. This premium aesthetic upgrade replaces the understated factory plastic components with high-quality 2x2 weave carbon fiber, providing a motorsport-inspired look that complements the VB chassis. Engineered for a precise fit, the cover utilizes factory mounting points to ensure a secure installation without the need for permanent modifications.

• Constructed from genuine 2x2 weave carbon fiber for strength and weight savings
• High-gloss clear coat finish provides UV protection and resists engine bay heat
• Direct bolt-on fitment using existing factory mounting locations
• Features the Cobb Redline series styling for a cohesive engine bay appearance
• Manufacturer Part Number: 446610

Fits 2022-2024 Subaru WRX models.

Enhance the visual appeal and durability of your VB chassis engine bay with the Cobb Aluminum Alternator Cover. This component replaces the lackluster factory plastic shroud with a precision-engineered aluminum piece, offering a more rugged and high-performance aesthetic while protecting the alternator and belt assembly.

• Direct replacement for the factory plastic cover on 2022-2024 Subaru WRX
• Lightweight and durable aluminum construction for superior heat resistance
• Utilizes factory mounting points for a straightforward installation process
• Precisely contoured to clear the intake manifold and engine components
• Manufacturer Part Number: 446600

Eliminate vacuum leaks and ensure consistent manifold pressure with the Cobb TGV Shaft Seal Kit for Subaru EJ-series engines. The factory Tumble Generator Valve (TGV) shaft seals are prone to wear and brittleness over time, which can lead to boost leaks, unmetered air entry, and poor idle quality. This kit provides a direct-replacement solution to restore housing integrity.

Engineered for a precise fit within the TGV housing, these seals are essential for any EJ engine overhaul or intake manifold service. Maintaining a proper seal at the TGV shaft prevents unmetered air from entering the combustion chamber, ensuring your tune remains accurate and protecting against lean conditions under boost.

• Fits Subaru EJ-series engines
• Prevents boost and vacuum leaks at the TGV shaft exit points
• Direct replacement for degraded factory seals
• Ensures intake manifold pressure integrity
• Manufacturer Part Number: 443700

Fits 2015-2021 Subaru WRX models.

Elevate the aesthetics of your engine bay with the Cobb Redline Carbon Fiber Engine Cover. This premium component replaces the factory plastic unit with a high-strength, lightweight 2x2 twill weave carbon fiber piece designed for a precision fit. The gloss finish provides a deep, mirror-like shine that complements the FA20 engine's performance-oriented character.

• Fabricated from high-quality carbon fiber with a 2x2 twill weave pattern
• Finished in a durable, UV-resistant gloss clear coat
• Features a custom-etched brushed aluminum Cobb Redline badge
• Designed to utilize factory mounting points for a straightforward installation
• Manufacturer Part Number: 442605

Fits select 2008-2014 Subaru WRX and 2008-2020 Subaru STI models.

The Cobb Redline Carbon Fiber Alternator Cover (MPN 422600) is a premium aesthetic upgrade designed to replace the standard plastic factory shroud. Constructed from high-quality 2x2 twill weave carbon fiber, this cover features a deep gloss finish that helps protect the material from engine bay heat while providing a mirror-like shine.

This cover provides a clean, finished look to the top of the boxer engine by concealing the alternator and pulley assembly. It is engineered for a precise, direct-fit installation using factory mounting points to ensure secure fitment without modification.

• Hand-laid 2x2 twill weave carbon fiber construction
• High-gloss UV-resistant clear coat finish for durability and depth
• Direct bolt-on installation using factory mounting locations
• Designed as part of the Cobb Redline series for a cohesive engine bay look
• Manufacturer Part Number: 422600

Designed for Audi A3/S3 (8V), VW GTI and Golf R (MK7/7.5), and VW Jetta GLI (A7).

The Cobb Flex Fuel Upgrade Kit (3V2650) provides the necessary hardware to accurately monitor ethanol content in real-time. This system allows your ECU to dynamically adjust ignition timing, fueling, and boost levels based on the specific ethanol percentage in your fuel tank, eliminating the need for manual map switching between pump gas and E85 blends. It is a critical upgrade for MQB-platform owners looking to maximize performance through the cooling and octane benefits of ethanol.

• Provides real-time ethanol content data to the ECU
• High-quality digital ethanol sensor and adapter lines
• Custom wiring harness for a clean, plug-and-play installation
• Durable brackets and hardware for secure under-hood mounting
• Optimizes fuel system performance for varying ethanol concentrations
• Manufacturer Part Number: 3V2650

Note: This kit requires a compatible Cobb Accessport and a Flex Fuel-enabled custom tune for proper operation.

Fits 2015-2021 Subaru WRX models. Accurate fuel pressure monitoring is vital for maintaining engine safety and performance in turbocharged FA20 platforms.

The Cobb CAN Fuel Pressure Sensor Kit provides a high-fidelity digital signal directly to the ECU via the vehicle's CAN-bus system. Unlike traditional analog sensors that can suffer from signal noise or voltage drop, this digital integration ensures the most precise data is available for real-time tuning adjustments and safety triggers. This kit is a critical component for enthusiasts running high-output fuel systems or flex-fuel configurations where maintaining target rail pressure is essential.

• Digital CAN-bus integration for superior data accuracy and speed
• Plugs directly into factory connectors for a clean, reliable installation
• High-quality pressure transducer designed for automotive fluid environments
• Essential for advanced tuning and engine protection strategies
• Manufacturer Part Number: 344750

Fits 2018-2021 Subaru WRX.

The Cobb CAN Flex Fuel Upgrade provides the hardware necessary to monitor ethanol content in real-time, allowing your vehicle to adjust its calibration automatically based on the fuel mixture in the tank. This system utilizes CAN-bus communication for a cleaner, more reliable data stream to the ECU compared to traditional sensor inputs.

By measuring ethanol concentration, this kit enables your engine to safely maximize the performance benefits of E85, such as increased knock resistance and cooler combustion. The kit is designed for a clean installation with a dedicated mounting bracket and a vehicle-specific wiring harness that integrates seamlessly with factory connections.

• Real-time ethanol content monitoring for seamless fuel switching
• High-accuracy ethanol content sensor
• Cobb CAN Gateway module for digital data integration
• Custom-fit wiring harness for plug-and-play connectivity
• Heavy-duty mounting bracket for secure installation
• Manufacturer Part Number: 344650

Fits 2015-2017 Subaru WRX models.

The Cobb CAN Flex Fuel Upgrade provides a robust, integrated solution for monitoring ethanol content in real-time. By communicating directly over the vehicle's CAN bus, this system allows the factory ECU to dynamically adjust fueling, ignition timing, and boost levels based on the specific ethanol percentage in your fuel system. This eliminates the need for manual map switching and ensures optimal performance whether you are running 91 octane, E85, or any blend in between.

This kit is designed for a precise fit within the engine bay, utilizing a vehicle-specific mounting bracket and a plug-and-play wiring harness to maintain factory-level reliability and a clean installation.

• Digital ethanol content sensor for high-accuracy readings
• CAN bus integration for fast, reliable data transmission to the ECU
• Includes custom mounting bracket and vehicle-specific wiring harness
• Enables automatic tuning adjustments for E85 blends
• Manufacturer Part Number: 343650

Fits 2008-2021 Subaru WRX STI.

The Cobb Fuel Rail Line Kit (343250) provides a professional plumbing solution for STI owners upgrading their fuel delivery system. Designed to integrate with Cobb Fuel Rails, this kit replaces the restrictive factory lines with high-quality, fuel-rated hoses and fittings. By streamlining the flow to the EJ257 injectors, this kit helps ensure consistent fuel pressure across all cylinders, a critical factor in preventing the lean conditions and fuel stumbles often associated with modified Subaru flat-four engines.

• Specifically engineered for 2008-2021 Subaru WRX STI chassis
• High-quality fuel-rated hoses and fittings for long-term durability
• Optimizes fuel delivery path for more consistent pressure
• Designed for use with Cobb Fuel Rails (sold separately)
• Manufacturer Part Number: 343250

Fits 2008-2021 Subaru WRX STI.

The Cobb Tuning Fuel Rails (MPN 343150) are engineered to resolve fuel delivery imbalances common in the factory Subaru fuel system. By providing a larger internal bore and more consistent flow characteristics, these rails ensure that every cylinder receives the precise fuel volume required during high-boost and high-load conditions. This is a critical upgrade for enthusiasts looking to push their EJ25 engine beyond stock power levels safely.

• CNC-machined from 6061-T6 aluminum for superior strength and precise fitment.
• Large internal bore diameter minimizes pressure drops and increases fuel dampening volume.
• Hard-anodized finish ensures long-term durability and resistance to corrosive fuel additives.
• Specifically designed for top-feed fuel injector configurations.
• Includes all necessary mounting hardware to bolt directly to factory locations.

Fits 2008-2021 Subaru WRX STI and 2018 Type RA.

The Cobb NexGen Flex Fuel Ethanol Sensor Kit provides the critical data your ECU needs to adjust tuning parameters on the fly based on ethanol content. Because pump E85 can vary significantly between batches and seasons, this kit replaces manual testing with a real-time digital sensor. This allows the engine management system to automatically scale ignition timing and fuel delivery, ensuring optimal performance and safety whether you are running straight 91 octane, full E85, or any blend in between.

• Seamless integration with the factory ECU for real-time ethanol percentage monitoring
• Digital ethanol sensor provides precise, high-speed data transmission
• Vehicle-specific wiring harness for a reliable, plug-and-play installation without wire splicing
• Includes all necessary fuel line adapters and mounting hardware
• Manufacturer Part Number: 325650

Fits 2008-2021 Subaru WRX STI models, including the 2018 Type RA.

The Cobb Fuel Pressure Sensor Kit (315650) provides the critical data needed to monitor your fuel system's health in real-time. On the EJ-platform, maintaining consistent fuel pressure is vital for engine safety and performance. This kit allows the engine management system to track fuel pressure, enabling tuners to set up failsafes that protect the engine if pressure drops due to pump wear, a clogged filter, or regulator failure.

• Provides accurate fuel pressure monitoring for tuning and safety
• Integrates with factory or aftermarket fuel systems
• Includes high-quality electronic pressure sensor and application-specific wiring harness
• Essential for vehicles running Flex Fuel or high-flow fuel setups
• Manufacturer Part Number: 315650

Fits 2008-2021 Subaru STI.

The Cobb Fuel Pressure Regulator is engineered to provide precise fuel pressure management for high-performance Subaru builds. Designed specifically for use with the Cobb Fuel Rail Kit, this regulator solves the fuel delivery inconsistencies often found when upgrading from factory components. It ensures your injectors receive stable, consistent pressure across the entire RPM range, which is critical for accurate tuning and engine safety.

• Specifically designed for integration with aftermarket fuel rail kits
• Provides consistent fuel pressure regulation for stable engine performance
• Durable construction to withstand high-pressure fuel system demands
• Essential for modified fuel systems requiring precise pressure control
• Manufacturer Part Number: 315250

Fits 2008-2015 Subaru WRX STI (including Limited, Launch Edition, and Special Edition).

The Cobb Fuel Pressure Regulator Kit (MPN 315200) is a targeted solution designed to eliminate the fuel pressure stumble and oscillation issues frequently encountered in the GR and VA chassis Subaru STI. By optimizing the fuel delivery system, this kit ensures consistent fuel pressure, resulting in smoother engine performance and more predictable tuning.

• Direct replacement for the factory fuel pressure regulator
• Solves common fuel pressure oscillation/stumble issues
• Includes high-quality fuel lines and necessary mounting hardware
• Bolts to factory mounting points for a clean, professional installation
• Engineered for use with the factory fuel system or upgraded components
• Manufacturer Part Number: 315200

Fits 2008-2015 Subaru Impreza WRX STI and WRX STI models including Limited, Special Edition, and Launch Edition trims.

The Cobb Fuel Pressure Regulator (FPR) Manifold Reference Relocation Kit is an essential solution for the common fuel pressure oscillation or "stumble" issues found in GR and early VA chassis STIs. This kit relocates the manifold reference point for the factory fuel pressure regulator, providing a much cleaner vacuum and boost signal. This stabilization ensures more consistent fuel delivery, particularly during low-load transitions where the factory configuration often causes hesitation.

• Eliminates common fuel pressure oscillations and engine stumbling
• Provides a more accurate manifold reference signal to the FPR
• Direct-fit components for straightforward installation
• Includes all necessary vacuum lines and hardware
• Manufacturer Part Number: 315150