Invidia 11+ STI/WRX Sedan Only 76mm Q300 Stainless Steel Tip - HS11STIG3SFind parts that fit my vehicle

Invidia 11+ STI/WRX Sedan Only 76mm Q300 Stainless Steel Tip Cat-back Exhaust

• Reduces back pressure and turbo lag
• Increases throttle response and horsepower
• Made of 304 stainless steel
• Lightweight design
• Improves performance and exhaust sound
• Enhances vehicle appearance

Invidia exhausts are engineered to optimize performance without compromising durability. The Q300 Cat-back Exhaust system is specifically designed for the 2011+ Subaru Impreza WRX STI sedan, offering a perfect balance of power gains and weight reduction.

Crafted from high-quality 304 stainless steel, this exhaust system features a 76mm diameter and stainless steel tips. It's an ideal upgrade for enthusiasts looking to enhance their vehicle's performance, sound, and style.

About Invidia

Invidia High Performance is renowned for their meticulous engineering and thorough research and development process. Their team of engineers ensures that each exhaust component is designed to maximize performance while meeting customer needs. Invidia's expertise in balancing exhaust back pressure and gas velocity results in optimal power gains across the RPM range.

Vehicle Fitment

• 2011 Subaru Impreza WRX STI
• 2012 Subaru Impreza WRX STI
• 2013 Subaru Impreza WRX STI
• 2014 Subaru Impreza WRX STI

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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