The Injen Performance Cat-Back Exhaust System for the 2015-2021 Subaru WRX and WRX STI was designed from the ground up to compliment the aggressive styling and blistering performance of these sporty sedans. Our custom dual muffler design hones the tone of the engine into an ear-pleasing symphony. Purposefully delivering a crisp, clean, deep rumble at idle and an aggressive roar when you’re pushing the limits. Manufactured from only the highest grade 304 stainless-steel - from the flanges to quad titanium look tips - for the highest level of tensile strength and rust resistance. The premium polished finish on the mufflers is sure to impress anyone curious enough to peek at the undercarriage and the burnt titanium look exhaust tips offer superb aesthetics that perfectly compliment the sound of the system itself.
We design every performance product with ease of installation in mind. On the SES1207TT we’ve included V-Band clamps and flanges for the simplest, quickest installation possible. No need for any cutting, drilling, or modification of the vehicle to complete installation. The system uses all factory mounting points for simple and convenient placement and compatibility. To increase performance, we opted for a stepped piping design that keeps the flow rate consistent throughout the length of the exhaust. Keeping the flow rate consistent not only adds performance but also helps keep the tone of the exhaust where we designed it to be throughout the rev range.
An aftermarket exhaust system is one of the simplest modifications you can make to your vehicle that will add both power and personality to your ride. We make choosing an exhaust system easy with our superior build quality, tone, and performance. All protected by the world renowned Injen Limited Lifetime Warranty.
Prop 65 Compliance
This product can expose you to chemicals including Chromium, Nickel & Cobalt, which are known to the State of California to cause cancer.
Warranty
SES Intercooler and exhaust systems that have been installed will not be eligible for return under any circumstances. Injen Technology offers a Limited Lifetime Warranty to the original purchaser against defects in material and workmanship. Injen Technology will replace, at no charge, any Injen product considered by Injen Technology to be defective. Any and all warranty coverage is limited to the repair or replacement of the defective part only, at Injen Technology’s discretion. Proof of purchase is required. The warranty does not cover incidental or consequential damages, damages caused from improper installation, nor does it cover the cost of installation or removal of the defective part or its replacement. All warranty items must be sent freight prepaid with a valid RMA (Return Merchandise Authorization) number and copy of original invoice. Most exhaust and Intercooler system installations may require a lift and or specialized tools. Due to the installation complexity of automotive exhaust and Intercooler systems, Injen Technology recommends that a qualified technician perform the installation. Most local Tuner or exhaust and muffler shops offer professional installation.
Key Features
Direct Fit for 2015-2021 Subaru STI H4-2.5L Turbo
2015-2021 Subaru WRX H4-2.0L Turbo
Dyno Proven Gains of up to 13 hp and 11 lb-ft. of torque
Performance Stepped Pipe design utilizing 76MM and 60MM piping
Manufactured from Mandrel-Bent 304 Stainless Steel
Beautiful V-Band clamps used for a simple, leak-free installation
3.250” Burnt Titanium look, Quad-Tip design
Exhaust Tips are bolt-on and allow for a staggered or straight install
Dual Oval, straight-through mufflers for exceptional sound and performance
Custom investment cast Y-Pipe equalizes flow for improved performance and sound
Stainless Steel Investment Cast Flanges for a Fast and Easy Install
Hand Crafted and TIG Welded to Perfection for Strength and Durability
Show Quality Embossed Stainless-Steel Muffler
Premium Stainless-Steel Hardware and Hangers
Designed and Manufactured in Pomona, CA
Emissions
This part is not an emissions-related part and therefore can be used on Emission Controlled Vehicles.
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