Invidia 2009+ WRX/STi Sedan G5 Titan Titanium Cat-Back Exhaust - HS11STIDTGFind parts that fit my vehicle

Invidia 2009+ WRX/STi Sedan G5 Titan Titanium Cat-Back Exhaust

• Reduces back pressure and turbo lag
• Increases throttle response and horsepower
• Made with 304 stainless steel
• Lightweight design without compromising durability
• Improves performance, weight reduction, and exhaust sound

About the Product

Invidia exhausts are engineered to enhance your vehicle's performance and sound. This G5 Titan Titanium Cat-Back Exhaust system is specifically designed for 2009+ WRX/STi Sedans. It's an excellent way to boost horsepower, improve performance, reduce weight, and achieve a more aggressive exhaust note.

About Invidia

Invidia High Performance employs a team of skilled engineers who conduct thorough research and development for every exhaust component they manufacture. They understand the complex balance between exhaust back pressure and exhaust gas velocity, ensuring optimal performance gains. Invidia uses high-quality materials, including High Flow Catalytic Converters where applicable, to meet customers' performance needs.

Vehicle Fitment

This exhaust system fits the following Subaru Impreza models:

• 2008-2014 WRX (including Premium and Limited trims)
• 2008-2014 WRX STI (including Limited and Special Edition trims)

Fits 4-door sedan models with various engine configurations.

but the point is

it's not as simple as just strap on a drain pipe and gains for days. A "quality" exhaust system maximizes performance gains by design.

Far more engineering goes in to the design of an exhaust system than many realise. From a performance perspective, there is a fine balance between exhaust back pressure and exhaust gas velocity. Too large a diameter pipe, and low down power and torque is sacrificed (particularly on naturally aspirated cars), too small a diameter or added restrictions and bottlenecks in the system, and the engine is unable to push gasses out of the combustion chamber efficiently, reducing power and torque. There are many other technical aspects such as 'scavenging effect' which are beyond the scope of this document

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