Invidia Exhaust for Subaru WRX / STI (2015-2021) N1 Racing Catback Titanium Tip HS15SW4GST

Fitment Information

• Subaru WRX / STI (2015, 2016, 2017, 2018, 2019, 2020, 2021)

Emissions Information

• This is a catback exhaust and does not alter, remove or replace any emissions equipment.

Specs & Features

• Massive 76mm Free-Flowing Piping: Mandrel-bent SUS304 polished stainless steel dramatically reduces exhaust backpressure, letting the engine breathe effortlessly for serious horsepower gains.
• Aggressive Single-Exit Layout: Shaves critical weight off the undercarriage by ditching the bulky stock setup and eliminating the factory resonator for a raw, deep, sporty sound.
• Eye-Catching Burnt Titanium Tip: Finishes strong with an angled, 101mm round burnt blue Ti-style tip that perfectly fills out the bumper and demands attention.
• Precision Robotic Welds & CNC Flanges: Guarantees a flawless, leak-free fitment with perfectly aligned connections built to withstand the harshest driving conditions.
• Complete Bolt-On Kit: Includes all the necessary installation hardware right in the box, making the transition from a quiet stock setup to a roaring street machine totally painless.

Product Description

Factory exhaust systems are notoriously heavy and restrictive, acting like a muzzle on the engine's true potential. Upgrading to this Invidia Catback Exhaust completely shatters those factory limitations, replacing bulky stock mufflers with a sleek, angled single-exit layout. By utilizing oversized 76mm mandrel-bent SUS304 polished stainless steel piping and entirely eliminating the restrictive factory resonator, this system significantly reduces overall vehicle weight while unlocking a deep, aggressive, and undeniably sporty exhaust note. The precision-engineered CNC flanges and flawless robotic welds guarantee a perfect bolt-on fit without any annoying exhaust leaks. It is the ultimate upgrade for enthusiasts who want to drastically improve their power-to-weight ratio and give the rear end a custom, track-inspired aesthetic, brilliantly capped off by a massive 101mm burnt blue titanium-style tip.

Drivers absolutely need this single-exit setup because hauling around dead weight and dealing with a suffocated, whisper-quiet engine is a total buzzkill for any true gearhead. Bolting on this high-flow system instantly transforms a mundane daily commute into an exhilarating, adrenaline-pumping experience, ensuring the vehicle finally sounds as fast as it looks. Invidia has spent years dominating the aftermarket tuning scene, particularly within the Subaru community, earning a legendary reputation for crafting top-notch exhaust systems that deliver bulletproof reliability, precise fitment, and head-turning sound profiles. By choosing Invidia, buyers are investing in premium materials and race-proven engineering that turns an ordinary ride into an absolute street weapon.