Skip to content
MARCH MADNESS SAVINGS ARE ON!
MARCH MADNESS SAVINGS ARE ON!

Subaru STI Engine Parts

Save 37% Save %

Invidia Up Pipe w/ EGT Bung 2002-2014 WRX / 2004-2021 STI

$400.00
$400.00 - $400.00
$400.00
$252.00
$252.00 - $252.00
$252.00

DESCRIPTION The Invidia Up-Pipe is a high-performance upgrade for Subaru models, designed to replace the restrictive and failure-prone factory up-p...

View full details

PLM EWG 38mm Up-Pipe w/ Dump Tube 2002-2014 WRX / 2004-2021 STI

$339.00 - $339.00
$339.00
$339.00 - $339.00
$339.00

PLM Private Label Mfg. Power Driven Subaru EWG Up-Pipe with Dump Tube 38mm features a unique designed up pipe which gives you the option to install...

View full details
Save 15% Save %

GrimmSpeed 2 Bolt Ceramic Coated Up-Pipe 2002-2014 WRX / 2004-2021 STI

$279.00
$279.00 - $279.00
$279.00
$237.15
$237.15 - $237.15
$237.15

DESCRIPTION The GrimmSpeed Ceramic Coated 2 Bolt Up-Pipe has been designed to be a high-performance direct replacement for your factory up-pipe to ...

View full details
Save 15% Save %

GrimmSpeed Unequal Length Header 2002-2014 WRX/ 2004-2021 STI

$1,029.00
$1,029.00 - $1,029.00
$1,029.00
$874.65
$874.65 - $874.65
$874.65

DESCRIPTION GrimmSpeed believes that there has not been any major changes to the unequal exhaust manifold in some time, and this is due to the tigh...

View full details
Save 37% Save %

Invidia Up Pipe w/o EGT Bung 2002-2014 WRX / 2004-2021 STI

$400.00
$400.00 - $400.00
$400.00
$252.00
$252.00 - $252.00
$252.00

DESCRIPTION The Invidia Up-Pipe - No EGT Bung is a premium upgrade for Subaru owners looking to improve exhaust flow and turbo efficiency. Designed...

View full details
Save 15% Save %

PLM EWG 44mm Up-Pipe w/ Dump Tube 2002-2014 WRX / 2004-2021 STI

$339.00
$339.00 - $339.00
$339.00
$288.15
$288.15 - $288.15
$288.15

PLM Power Driven Subaru 44mm EWG Up-Pipe with Dump Tube features a unique designed Up-pipe which gives you the option to install a 44mm or 45mm ext...

View full details
Save 15% Save %

GrimmSpeed 2 Bolt Up-Pipe 2002-2014 WRX / 2004-2021 STI

$279.00
$279.00 - $279.00
$279.00
$237.15
$237.15 - $237.15
$237.15

DESCRIPTION We designed this up pipe using our in-house FARO Arm along with the latest and greatest Solidworks CAD Software. This assures that we c...

View full details
Save 15% Save %

GrimmSpeed Up-Pipe Hardware Kit 2002-2014 WRX / 2004-2021 STI

$34.00
$34.00 - $34.00
$34.00
$28.90
$28.90 - $28.90
$28.90

DESCRIPTION Replace your missing or damaged up-pipe hardware with the same high-quality kit included in all GrimmSpeed Up-Pipes. Designed for durab...

View full details

COBB Tuning SS 2" Uppipe 2006-2014 WRX / 2004-2021 STI

$275.00 - $275.00
$275.00
$275.00 - $275.00
$275.00

Emissions 50 State Legal. This part is legal for sale and use on Emissions Controlled Vehicles in all 50 states when used in accordance with the ...

View full details

Killer B Motorsport 4-1 Holy Header Exhaust Manifold w/ V-Band Up Pipe 2002-2014 WRX / 2004-2021 STI

$1,985.00 - $2,445.00
$1,985.00 - $2,445.00
$1,985.00 - $2,445.00
$1,985.00

Your Subaru STI was built for excitement, but why settle for stock when you can achieve so much more? WRXDaily’s premium Subaru STI engine parts help you unlock the raw potential of your car. Turn your track days or daily drives into unbeatable experiences.

Whether you’re aiming for peak efficiency or high-octane power, our Subaru WRX STI engine upgrades deliver solutions tailored to your goals. For even greater customization, explore our range of Subaru STI aftermarket performance parts crafted to elevate every aspect of your engine’s performance.

Every part we offer is precision-engineered for seamless integration and maximum impact. From reliable endurance to thrilling power gains, these parts are made to perform. Don’t wait to transform your Subaru into the ultimate performance machine; start your build with WRXDaily’s expertly crafted parts today.