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CHRISTMAS SAVINGS ARE LIVE!
CHRISTMAS SAVINGS ARE LIVE!

2015-2021 WRX STI Mods

IAG Performance Stage X Short Block 2002-2014 WRX / 2004-2021 STI

$17,599.99 - $17,599.99
$17,599.99
$17,599.99 - $17,599.99
$17,599.99

The CNC Billet Aluminum EJ case seeks to change the Subaru performance tuning market by reinventing the EJ and addressing virtually every weakness ...

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IAG 950 Closed Deck Long Block Engine w/ IAG 950 Heads 2002-2014 WRX / 2004-2021 STI

$14,299.99 - $14,299.99
$14,299.99
$14,299.99 - $14,299.99
$14,299.99

IAG 950 LONG BLOCK ENGINE WITH IAG 950 HEADS FOR 02-14 WRX, 04-21 STI, 04-13 FXT, 05-09 LGT A "DROP-IN" SOLUTION The IAG Perform...

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IAG 750 Closed Deck Long Block Engine w/ IAG 750 Heads 2002-2014 WRX / 2004-2021 STI

$12,749.99 - $12,999.99
$12,749.99 - $12,999.99
$12,749.99 - $12,999.99
$12,749.99

IAG 750 LONG BLOCK ENGINE WITH IAG 750 HEADS FOR 02-14 WRX, 04-21 STI, 04-13 FXT, 05-09 LGT A "DROP-IN" SOLUTION The IAG Perfor...

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IAG 550 Long Block Engine w/ IAG 550 Heads 2002-2014 WRX / 2004-2021 STI

$9,999.99 - $10,299.99
$9,999.99 - $10,299.99
$9,999.99 - $10,299.99
$9,999.99

IAG 550 LONG BLOCK ENGINE WITH IAG 550 HEADS FOR 02-14 WRX, 04-21 STI, 04-13 FXT, 05-09 LGT A "DROP-IN" SOLUTION The IAG Perf...

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IAG 550 2.5L Short Block 2006-2014 WRX / 2004-2021 STI

$3,999.99 - $3,999.99
$3,999.99
$3,999.99 - $3,999.99
$3,999.99

IAG 550 EJ25 2.5L SUBARU SHORT BLOCK DESIGNED FOR STRENGTH The IAG 550 Short Block is designed for modified EJ25 Subarus that n...

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Subaru OEM Short Block 2015-2021 WRX

$2,714.30 - $2,714.30
$2,714.30
$2,714.30 - $2,714.30
$2,714.30

Introducing the Subaru OEM 2.0L FA20DIT Short Block. This is a fully assembled short block that includes all the main guts such as the factory pist...

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IAG 950 2.35L Destroked Long Block Engine w/ IAG 950 Heads 2002-2014 WRX / 2004-21 STI

$14,899.99 - $14,899.99
$14,899.99
$14,899.99 - $14,899.99
$14,899.99

IAG 950 2.35L DESTROKED LONG BLOCK ENGINE W/ IAG 950 HEADS DROP IN AND DRIVE The IAG Performance han...

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IAG 1150 2.35L Destroked Long Block Engine w/ IAG 1150 Heads 2002-2014 WRX / 2004-2021 STI

$19,499.99 - $19,499.99
$19,499.99
$19,499.99 - $19,499.99
$19,499.99

IAG 1150 2.35L DESTROKED LONG BLOCK ENGINE W/ IAG 1150 HEADS DROP IN AND DRIVE The IAG Performance hand-built Subaru 11...

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IAG 1150 Closed Deck Long Block Engine w/ IAG 1150 Heads 2002-2014 WRX / 2004-2021 STI

$18,999.99 - $18,999.99
$18,999.99
$18,999.99 - $18,999.99
$18,999.99

IAG 1150 LONG BLOCK ENGINE WITH IAG 1150 HEADS FOR 02-14 WRX, 04-21 STI, 04-13 FXT, 05-09 LGT A "DROP-IN" SOLUTION The IAG Perf...

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If you own a Subaru WRX STI, you know you have the perfect platform to craft a masterpiece on wheels. At WRXDaily, we understand that every enthusiast has a vision, and we’re here to offer the WRX STI mods you need to bring yours to life. With products tailored to elevate performance, enhance style, and perfect handling, our curated selection puts endless possibilities at your fingertips. 

No matter what you need, our Subaru WRX STI modifications deliver quality and reliability you can trust. From high-performance upgrades to must-have Subaru STI accessories, we have everything you need to create a car that’s as bold and unique as your passion for driving. Own a 2018 WRX? We offer a variety of 2018 WRX parts designed to fit your specific model. 

With WRXDaily, your Subaru becomes a true reflection of your style and ambition. Browse our selection of WRX STI mods today and start your next build!