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2015–2021 Subaru WRX Mods

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Invidia N1 Catback Exhaust w/ Bead Blasted Piping Titanium Tip 2015-2021 WRX / 2015-2021 STI

$924.48
$924.48 - $924.48
$924.48
$1,390.20
$1,390.20 - $1,390.20
$1,390.20

DESCRIPTION The Invidia N1 Single Exit Cat-Back Exhaust System with Bead Blasted Piping and Titanium Tip is a top-tier upgrade for 2015-2021 Subaru...

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Invidia Exhaust Silencer 101MM

$46.55
$46.55 - $46.55
$46.55
$70.00
$70.00 - $70.00
$70.00

DESCRIPTION The Invidia Exhaust Silencer is a universal 101mm solution designed for Invidia catback systems, offering a practical way to reduce exh...

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Invidia Stock Downpipe to 3" Exhaust Adapter 2002-2026 WRX / 2004-2021 STI

$65.17
$65.17 - $65.17
$65.17
$98.00
$98.00 - $98.00
$98.00

DESCRIPTION The Invidia Stock Downpipe to 3" Exhaust Adapter is a simple yet essential component for seamlessly connecting your stock downpipe to a...

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Invidia 3" Downpipe to 2.5" Exhaust Adapter 2002-2026 WRX / 2004-2021 STI

$65.17
$65.17 - $65.17
$65.17
$98.00
$98.00 - $98.00
$98.00

DESCRIPTION The Invidia 3-Inch Downpipe to Stock Cat-Back Exhaust Adapter is the ultimate solution for seamlessly connecting your 3-inch downpi...

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Invidia N1 Stainless Tip Single Exit Exhaust 2015-2021 WRX / 2015-2021 STI

$1,055.75
$1,055.75 - $1,055.75
$1,055.75
$1,587.60
$1,587.60 - $1,587.60
$1,587.60

DESCRIPTION The Invidia N1 Single Exit Cat-Back Exhaust System with Stainless Steel Tip is a high-performance upgrade tailored for 2015-2021 Subaru...

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Invidia N1 Burnt Tip Single Exit Exhaust 2015-2021 WRX / 2015-2021 STI

$1,055.75
$1,055.75 - $1,055.75
$1,055.75
$1,587.60
$1,587.60 - $1,587.60
$1,587.60

DESCRIPTION The Invidia N1 Single Exit Cat-Back Exhaust System with Titanium Tip is a premium performance upgrade for the 2015-2021 Subaru WRX/STI....

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Invidia N1 Racing Burnt Tip Single Exit Exhaust 2015-2021 WRX / 2015-2021 STI

$924.48
$924.48 - $924.48
$924.48
$1,390.20
$1,390.20 - $1,390.20
$1,390.20

DESCRIPTION The Invidia N1 Racing Series Single Exit Cat-Back Exhaust with Titanium Tip is engineered for 2015-2021 Subaru WRX/STI models to delive...

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Invidia Q300 Resonated Single Exit Catback 2015-2021 WRX / 2015-2021 STI

$1,107.89
$1,107.89 - $1,107.89
$1,107.89
$1,666.00
$1,666.00 - $1,666.00
$1,666.00

DESCRIPTION The Invidia Q300 Single Exit Cat-Back Exhaust System with Stainless Steel Tip is a premium performance upgrade for 2015-2021 Subaru WRX...

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Invidia N1 Stainless Tip Dual Catback Exhaust 2015-2021 WRX / 2015-2021 STI

$1,205.64
$1,205.64 - $1,205.64
$1,205.64
$1,813.00
$1,813.00 - $1,813.00
$1,813.00

DESCRIPTION The Invidia N1 Cat-Back Exhaust System with Stainless Steel Tips is the ultimate upgrade for 2015-2021 Subaru WRX and STI enthusiasts. ...

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Invidia N1 Burnt Tip Dual Catback Exhaust 2015-2021 WRX / 2015-2021 STI

$1,242.88
$1,242.88 - $1,242.88
$1,242.88
$1,869.00
$1,869.00 - $1,869.00
$1,869.00

DESCRIPTION The Invidia N1 Dual Exit Cat-Back Exhaust System with Titanium Tips is a high-performance upgrade for the 2015-2021 Subaru WRX/STI, des...

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Invidia Q300 Stainless Tip Catback Exhaust 2015-2021 WRX / 2015-2021 STI

$1,649.73
$1,649.73 - $1,649.73
$1,649.73
$2,480.80
$2,480.80 - $2,480.80
$2,480.80

DESCRIPTION The Invidia Q300 Quad Tipped Cat-Back Exhaust System with Stainless Steel Tips is a premium performance upgrade for the 2015-2021 Subar...

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Invidia Q300 Titanium Tip Catback Exhaust 2015-2021 WRX / 2015-2021 STI

$1,755.87
$1,755.87 - $1,755.87
$1,755.87
$2,640.40
$2,640.40 - $2,640.40
$2,640.40

DESCRIPTION The Invidia Q300 Quad Tip Cat-Back Exhaust System with Titanium Burnt Tips is the perfect performance upgrade for 2015-2021 Subaru WRX/...

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Invidia Racing Full Titanium Single Exit Catback Exhaust 2015-2021 WRX / 2015-2021 STI

$1,398.36
$1,398.36 - $1,398.36
$1,398.36
$2,102.80
$2,102.80 - $2,102.80
$2,102.80

DESCRIPTION The Invidia Full Titanium Cat-Back Exhaust System is the pinnacle of performance and design for 2015-2021 Subaru WRX and STI models. Cr...

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Invidia Gemini R400 Polished Tips Catback Exhaust 2015-2021 WRX / 2015-2021 STI

$1,649.73
$1,649.73 - $1,649.73
$1,649.73
$2,480.80
$2,480.80 - $2,480.80
$2,480.80

DESCRIPTION The Invidia Gemini Single Layer Cat-Back Exhaust System with Stainless Steel Tips is a premium performance upgrade for 2015-2021 Subaru...

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Invidia Gemini R400 Black Tip Catback Exhaust 2015-2021 WRX / 2015-2021 STI

$1,778.21
$1,778.21 - $1,778.21
$1,778.21
$2,674.00
$2,674.00 - $2,674.00
$2,674.00

DESCRIPTION The Invidia Gemini R400 Single-Layer Cat-Back Exhaust System with Black Tips is engineered for performance enthusiasts seeking improved...

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GrimmSpeed Stock Downpipe to Aftermarket 3" Catback Adapter 2002-2026 WRX/ 2004-2021 STI

$62.00
$62.00 - $62.00
$62.00
$62.00 - $62.00

DESCRIPTION The Grimmspeed OEM Downpipe To 3-Inch Cat-Back Adapter is very popular for those of you who are retaining the stock downpipe and need t...

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GrimmSpeed Downpipe to Catback 3" Gasket 2002-2026 WRX / 2004-2021 STI

$25.00
$25.00 - $25.00
$25.00
$25.00 - $25.00

DESCRIPTION Tired of the endless searching for a 3" 2 Bolt premium gasket that doesn't blow out? Most aftermarket Subaru exhaust systems need a 3" ...

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GrimmSpeed Downpipe to Catback 3" Gasket 2x Thick 2002-2026 WRX / 2004-2021 STI

$32.00
$32.00 - $32.00
$32.00
$32.00 - $32.00

DESCRIPTION Tired of the endless searching for a 3" 2 Bolt premium gasket that doesn't blow out? Most aftermarket Subaru exhaust systems need a 3" ...

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Corsa Performance Catback Exhaust Polished Tips 2015-2021 WRX/STI

$1,856.99
$1,856.99 - $1,856.99
$1,856.99
$1,856.99 - $1,856.99

Here, you are looking at the Corsa Performance 3-Inch Dual Rear Exit Catback Exhaust System with Twin 3.5-inch Tips. This exhaust system has been d...

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Corsa Performance Catback Exhaust Polished Black Tips 2015-2021 WRX/STI

$1,928.99
$1,928.99 - $1,928.99
$1,928.99
$1,928.99 - $1,928.99

Here, you are looking at the Corsa Performance 3-Inch Dual Rear Exit Catback Exhaust System with Twin 3.5-inch Tips. This exhaust system has been d...

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Invidia Dual N1 Full Titanium Catback Exhaust 2015-2021 WRX / 2015-2021 STI

$1,743.76
$1,743.76 - $1,743.76
$1,743.76
$2,622.20
$2,622.20 - $2,622.20
$2,622.20

DESCRIPTION The Invidia N1 Full Titanium Cat-Back Exhaust System with Burnt End Tips is the ultimate upgrade for 2015-2021 Subaru WRX and STI owner...

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Invidia Gemini R400 Full Titanium Catback Exhaust 2015-2021 WRX / 2015-2021 STI

$2,648.69
$2,648.69 - $2,648.69
$2,648.69
$3,983.00
$3,983.00 - $3,983.00
$3,983.00

DESCRIPTION The Invidia Gemini R400 Full Titanium Cat-Back Exhaust System is the ultimate performance upgrade for 2015-2021 Subaru WRX and STI mode...

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HKS Super Turbo Muffler Titanium Exhaust 2015-2021 WRX/STI

$6,300.00
$6,300.00 - $6,300.00
$6,300.00
$6,300.00 - $6,300.00

PURSUIT OF THE IDEAL EXHAUST SYSTEM With the HKS Super Turbo Muffler Exhaust being made of titanium allows a significent weight reduction to 13.4...

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AWE Touring to Track Conversion Kit 2015-2021 WRX / 2015-2021 STI

$395.00
$395.00 - $395.00
$395.00
$463.16
$463.16 - $463.16
$463.16

BOXER® uncorked: Proudly engineered, designed, and manufactured in-house at AWE, in the USA Rasp-free, aggressive BOXER® tone without the drone ...

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AWE Track to Touring Conversion Kit 2015-2021 WRX / 2015-2021 STI

$695.00
$695.00 - $695.00
$695.00
$757.89
$757.89 - $757.89
$757.89

BOXER® uncorked: Proudly engineered, designed, and manufactured in-house at AWE, in the USA Rasp-free, aggressive BOXER® tone without the drone ...

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Tomei Expreme Unequal Length Exhaust Manifold 2015-2021 WRX

$711.00
$711.00 - $711.00
$711.00
$790.00
$790.00 - $790.00
$790.00

Here, you are looking at the Tomei Expreme Unequal Length Exhaust Manifold Kit. What is special about this particular header, is that it is the wor...

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Tomei Expreme Equal Length Exhaust Manifold 2015-2021 WRX

$711.00
$711.00 - $711.00
$711.00
$790.00
$790.00 - $790.00
$790.00

Here, you are looking at the Tomei Expreme Equal Length Exhaust Manifold Kit for the 15+ Subaru WRX. This exhaust manifold is the result of 4 years...

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Tomei Expreme Ti Titanium Catback 2008-2021 WRX / 2011-2021 STI

$1,161.00
$1,161.00 - $1,161.00
$1,161.00
$1,290.00
$1,290.00 - $1,290.00
$1,290.00

For those of you looking to add performance by losing weight and adding horsepower, then you will be pleased with the Tomei Expreme Titanium Cat-Ba...

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Invidia Gemini R400 Titanium Tip Catback Exhaust 2015-2021 WRX / 2015-2021 STI

$1,755.87
$1,755.87 - $1,755.87
$1,755.87
$2,640.40
$2,640.40 - $2,640.40
$2,640.40

DESCRIPTION The Invidia Gemini R400 Single Layer Cat-Back Exhaust System with Titanium Burnt Tips is a premium performance upgrade for 2015-2021 Su...

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GrimmSpeed Equal Length Headers 2015-2021 WRX

$974.00
$974.00 - $974.00
$974.00
$974.00 - $974.00

DESCRIPTION The GrimmSpeed Equal Length Header has been designed to provide the turbocharger with an uninterrupted flow of exhaust gases to greatly...

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Remark Sports Touring Catback 2015-2021 WRX/STI

$1,395.00 - $1,595.00
$1,395.00 - $1,595.00
$1,395.00
$1,395.00 - $1,595.00

Part Number RK-C4076S-01 Non-Res Stainless Steel RK-C4076S-01C Resonated Stainless Steel RK-C4076S-01T Non-Res Burnt Stainless RK-C407...

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Grimmspeed Turbo to J-Pipe Gasket 2015-2021 WRX

$33.00
$33.00 - $33.00
$33.00
$33.00 - $33.00

DESCRIPTION The Grimmspeed Turbo to J-Pipe Gasket is a multi-layer stainless steel gasket designed to provide an optimal seal between the turbochar...

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GrimmSpeed J-Pipe Hardware Kit 2015-2021 WRX

$54.00
$54.00 - $54.00
$54.00
$54.00 - $54.00

DESCRIPTION The turbo studs on the FA turbo motors are notoriously difficult to deal with. If you're lucky enough to get the nuts off without drama...

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PLM Equal Length Headers 2015-2021 WRX

$495.00
$495.00 - $495.00
$495.00
$495.00 - $495.00

The 2025 redesign of our PLM Power Driven Turbo Header now features premium 304 stainless steel and a 2-piece clamp-on design for enhanced adjustab...

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PLM Non-Resonated Midpipe 2015-2021 WRX / 2015-2021 STI

$495.00
$495.00 - $495.00
$495.00
$495.00 - $495.00

PLM Private Label Mfg. Power Driven 3" Non-Resonated Midpipe Kit for Subaru WRX STI 3" 2015-2021 was made for maximizing HP gains, more flow, more ...

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PLM EWG Equal Length Headers 2015-2021 WRX

$695.00 - $1,375.00
$695.00 - $1,375.00
$695.00
$695.00 - $1,375.00

PLM Private Label Mfg. Power Driven Subaru Impreza WRX Header 2015 - 2020 Equal Length Header with EWG External Wastegate ( Turbo Manifold ) By ch...

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Owning a Subaru WRX isn’t just about driving—it’s about passion. Whether you’re chasing more power, a unique aesthetic, or tighter handling, WRXDaily’s Subaru WRX Mods are built to fuel your drive and make your Subaru truly yours.

Our lineup of 2015-2021 WRX mods helps you push boundaries. From state-of-the-art engine components to premium suspension systems, each part is hand-selected to enhance your car’s capabilities and style. We’ve got you covered with 2015 WRX parts from trusted brands you can rely on.

With plenty of Subaru WRX mods available on WRXDaily’s online store, you can find the perfect fit for your model. Make customizing your dream car effortless with our parts and accessories. Shop with us now to give your car the best parts!