Invidia
Fits: 15-21 WRX
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Pay over time · Est. $48.22/payment ⓘ
Illustrative estimate only, not a financing quote or guaranteed offer. Actual payments, frequency and terms vary by provider and eligibility. Taxes, shipping and add-ons are excluded. View all options
Pay over time · Est. $48.22/payment ⓘ
Illustrative estimate only, not a financing quote or guaranteed offer. Actual payments, frequency and terms vary by provider and eligibility. Taxes, shipping and add-ons are excluded. View all options
For your : Other cat-back exhausts for 15-21 WRX
See all 50-
Tomei [08-21 WRX, 11-21 WRX STI] Expreme Ti Titanium Cat-Back Exhaust - Sedan
$1,161.00In stock
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MBRP [11-14 WRX/STI Sedan, 15-21 WRX/STI] 3in Dual Split Rear Exit Cat-Back Exhaust w/ 3.5in Tips - T304 - Race Version
$989.99In stock
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AWE Tuning [11-21 WRX/STI Sedan] Track Edition Cat-Back Exhaust - Diamond Black Tips
$1,195.00In stock
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AWE Tuning [11-21 WRX/STI Sedan] Track Edition Cat-Back Exhaust - Chrome Silver Tips
$1,195.00In stock
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Invidia [15-21 WRX/STI] Gemini R400 Signature Series Black Tip Cat-Back Exhaust
$1,562.00In stock
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Invidia [15-21 WRX] [15-21 WRX STI] Q300 Cat Back Exhaust - Double Wall Titanium Tips
$1,543.00In stock
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Borla [15-21 WRX] [15-21 WRX STI] S-Type Cat-Back Exhaust - Polished Stainless Tips
$1,799.99In stock
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Invidia [15-21 WRX] [15-21 WRX STI] Gemini R400 Cat-Back Exhaust - Titanium Quad Tips
$1,543.00In stock
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Invidia [15-21 WRX/STI] N1 Dual Cat-Back Exhaust - Titanium Tips
$1,092.00In stock
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AWE Tuning [15-21 WRX Sedan] Touring Edition Cat-Back Exhaust - Chrome Silver Tips
$1,595.00In stock
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Cobb Tuning [11-21 WRX Sedan/WRX STI Sedan] Stainless Steel GV/VA Cat-Back Exhaust
$1,565.00In stock
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Cobb Tuning [11-21* WRX/STI Sedan] Titanium Cat-Back Exhaust
$2,450.00In stock
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Borla [15-21 WRX/STI] S-Type Cat-Back Exhaust w/ Ceramic Black Steel Tips
$1,949.99In stock
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MBRP [11-14 WRX/STI Sedan, 15-21 WRX/STI] Armor Pro Race 3" Cat-Back Exhaust - Carbon Fiber Tips
$1,114.99In stock
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Invidia [15-21 WRX] [15-21 WRX STI] N1 Cat Back Exhaust w/ Bead Blasted Piping - Titanium Tip
$813.00In stock
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Remark [15-21 WRX/STI] R1-Spec Single-Exit Cat-Back Exhaust w/ Stainless Tip
$995.00In stock
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Invidia [15-21 WRX] [15-21 WRX STI] N1 Dual Burnt Titanium Tip Cat Back Exhaust - Sedan
$813.00In stock
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AWE Tuning [15-21 WRX Sedan] Touring Edition Cat-Back Exhaust - Diamond Black Tips
$1,595.00In stock
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Revel [08-21 WRX, 11-21 WRX STI] Medallion Ultra Ti Single Exit Titanium Cat-Back Exhaust
$1,161.00In stock
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HKS [15-21 WRX/STI] Legamax Premium Cat-Back Exhaust
$1,990.00In stock
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HKS [15-21 WRX/STI] Hi-Power Cat-Back Exhaust
$1,900.00In stock
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Invidia [15-21 WRX] [15-21 WRX STI] Gemini R400 Cat-Back Exhaust - Stainless Steel Quad Tips
$1,450.00In stock
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OVERTAKE [02-26 WRX, 04-21 WRX STI, 13-27 BRZ/GR86] Cat-Back Exhaust Refresh Kit - 3 in. Single Exit
$49.00In stock
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XForce [11-21 WRX/STI Sedan] Cat-Back Exhaust - Quad 3.5in Tips
$1,125.00In stock
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MBRP [11-14 WRX/STI Sedan, 15-21 WRX/STI] 3in Dual Split Rear Exit Cat-Back Exhaust w/ 3.5in Carbon Fiber Tips - T304 - Race Version
$1,114.99In stock
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Invidia [15-21 WRX] [15-21 WRX STI] Q300 Cat Back Exhaust - Quad Double Wall Stainless Steel Tips
$1,450.00In stock
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MBRP [11-14 WRX/STI Sedan, 15-21 WRX/STI] 3in Dual Split Rear Exit Cat-Back Exhaust w/ 3.5in Tips - T304 - Street Version
$1,114.99In stock
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Corsa Performance [15-21 WRX/STI] Sport Cat-Back Exhaust - Black Pro Series Tips
$1,928.99In stock
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HKS [15-21 WRX/STI] Hi-Power SPEC-L II Catback Exhaust w/ Burnt Tips
$1,800.00In stock
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Invidia [15-21 WRX] [15-21 WRX STI] N1 Cat-Back Exhaust - Titanium Tip
$928.00In stock
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Invidia [15-21 WRX/STI] [15-16 Forester XT] N1 Cat-Back Exhaust - Polished Tip - Dual Exit
$1,059.00In stock
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MBRP [15-21 WRX/STI] 3inch Cat Back Dual Split Rear Exit T304 with Carbon Fiber Tips Street Version
$1,214.99In stock
Fitment
Fitment
- 2015–2021 Subaru | WRX STI
- 2015–2021 Subaru | WRX
Description
Description
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)
Shipping and Delivery
Shipping and Delivery
Review our Shipping Policy for delivery details, shipping costs and exclusions.
Warranty and Support
Warranty and Support
Return and Refund
Return and Refund
Eligibility, exclusions, applicable fees and exceptions are detailed in our Return Policy. Restrictions apply to special-order and custom products.
Proposition 65
Proposition 65
Proposition 65 Warnings: cancer and reproductive harm www.p65warnings.ca.gov
