Invidia [15-21 WRX] [15-21 WRX STI] Q300 Cat Back Exhaust - Double Wall Titanium Tips
Give your 2015-2021 Subaru WRX or WRX STI sedan a deeper, more aggressive voice with the Invidia Q300 Cat Back Exhaust. Built from high-quality SUS304 stainless steel with mandrel-bent piping for maximum flow and reduced back pressure, the Q300 features a flat-bottom muffler design with Advantex material for a rich, deep sporty sound without harsh overtones. Expect strong mid to top-end horsepower and torque gains, finished with quad double-wall burnt titanium tips for a race-inspired look.
- Fits 2015-2021 Subaru WRX and WRX STI sedan
- SUS304 stainless steel, mandrel-bent 76mm piping splitting to 60mm
- Flat-bottom muffler design with Advantex sound material
- Quad 110mm double-wall burnt titanium tips
- Hangers at OEM locations for a direct fit; gaskets and hardware included
- Deep, mellow tone — ideal for daily driving and long-distance commutes
- Strong mid to top-end horsepower and torque gains
- Part HS15STIG3T (Invidia dealer-verified application)
Products received may vary slightly from images due to manufacturing tolerances or supply chain variables.
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