WRX STi Performance Parts
Subaru Upgrades, Parts and Engines
Subaru WRX, STi, Performance Upgrades  and Engines

Turbo Power Kits

Only Subaru Performance Parts, Upgrades and Engines

Performance PartsPerformance Parts

'Custom Performance Engines/Driveline/Suspension/Brakes/Upgrades'

If you don't see it, contact us!

"We are only Subaru"

Xcceleration's Custom Projects and Engines!

Built Closed Deck EJ25 WRX 800chp

Built Closed Deck EJ25 STi 700chp

Built Closed Deck EJ25 STi Rally Car

Built Closed Deck EJ25 STi Swiss Race Car 700whp

'Closed Deck Block Cases'

2.5L closed deckEZ30 closed deck

FA20, EJ25, EZ30

Contact US for Ultimate Reliability and Strength

Complete Short Blocks Available


'Closed Deck Block Cases'

Fully Closed Engine Block Case to handle High Boost and Big Power applications.

Click Here If you don't want it to break, then you better use a Closed Deck Block!

Performance Parts Big Power! Subaru Performance
Subaru upgrades WRX Upgrades
2003 WRX 2.5L Build Up
2004 STi Build Up

STi Upgrades
2007 STi Swiss Race Car Build Up

More Build Ups!

2015-2018 Subaru WRX Turbo Kit

420hp - 650hp

FA 20 WRX turbo kit

"YOU need this!"

click here - WRX turbo kit

More Power for your non-turbo

Impreza, Legacy, Forester or Baja

"Add a Turbo Kit"

2.5NA TURBO KITS for Non-Turbo Cars

2.5NA turbo kit


AVO FMIC turbo kit

2.5NA Top Mount or Front Mount Turbo Kits

Stage1 (6psi) / 265 chp

Stage2 (up to 18psi)

Click Here

Add Custom 2.5NA Cams
2.5NA cams
Get More POWER
Click Here

Perfect Power smt8 piggyback ecu
Perfect Power Solution for
non-turbo/turbo Engine Management Systems
Click Here

(PROJECT ENGINE SEEN IN 2.5RS, engine only for sale)
Supercharged 2.5L long block engine

Sti / WRX Performance

Fast + Reliable = Not Cheap

Where Performance, Experience and Integrity Meet!

This site is not affiliated with Subaru of America or Fuji Heavy Industries. To the lawyers reading this, the terms "Subaru","Impreza","Legacy", "SVX", "WRX", "Forester", "Baja" and "STi", as well as, all use of trademarked or copyrighted names, logos, marques, etc. are used in this website for identification purposes only and are not meant to construe in any way or meant to suggest that this website is endorsed by or affiliated with Subaru or Fuji Heavy Industries. Use of this site requires acknowledgement and acceptance of the above statements - you must leave immediately if you do not agree or you forfeit any rights to dispute in the past, in the present, or in the future.

IMPORTANT NOTE: Please review our terms and conditions page for full details. By purchasing items listed on this website or through special order, via our order form, email, telephone or fax, buyer understands and agrees to all of the Terms and Conditions of this website. All Warranty Claims are the Responsibility of the Customer / Buyer to pursue directly with the manufacturer of the product, not Xcceleration.com llc. Xcceleration.com llc will not be held responsible for any legal problems resulting from any performance related item sold through this website. Purchase and receipt of performance enhancing items acknowledges that you the customer assume all liability and risk out of the use of high performance products. All modification components, except those that are exempt, have been designed and are intended for off-highway application. These components are for racing vehicles only, which may never be used on public roads and highways. Federal and many state laws prohibit the removal, modification, or rendering inoperable of any device or element of design affecting vehicle emission or safety in a vehicle used on public highways. Violation of such laws may subject the owner or user to a fine or penalty. Installation of this part may void the warranty coverage, if any, on your vehicle. Vehicles modified by the use of performance parts may no longer be lawfully used on public highways. User assumes all cost and risks associated with these items. Also note, all power outputs stated are only approximations, for reference purposes and will vary depending on each vehicle, its condition, fuel and modifications.

NOTE: Shipping costs are calculated and billed separately prior to time of shipping. Please contact us to confirm availability and pricing. Xcceleration.com llc attempts to be as accurate as possible and eliminate errors on this Site. However, we do not warrant that product descriptions, photographs, pricing or other content of this site is accurate, complete, reliable, current, or error-free. Please be patient, we do not inventory any products, certain parts are made per order and require time to manufacturer. All parts will be immediately shipped as they become available. Our part prices are good only if ordered through Xcceleration.com llc. The purchaser agrees it is the purchaser's responsibility to report and remit any sales tax or other taxes owed on their purchases, not the responsibility of Xcceleration.com, llc. The purchaser releases Xcceleration.com, llc from any and all obligation or liability, in regards to collection or remittance of any sales tax or other taxes owed by the purchaser.  Where Xcceleration.com llc Is Required By Law To Collect Sales Tax, It Will And Does Not Remove Purchaser's Responsibility To Report And Remit Any Sales Tax Or Other Taxes Or Deficiencies Owed On Their Purchase.

All orders over $1,000.00 USD, Xcceleration.com, llc requires all purchases be paid via bank to bank funds transfer.  All funds must clear prior to order processing.

Delivery & Passage of Title/Risk of Loss. Delivery, passage of title and risk of loss to products shipped shall be “FOB Seller’s shipping point”. Title and risk of loss will pass to Buyer upon delivery of the goods by the seller to the carrier or if delivered directly by Seller, upon delivery to the buyer.

ADDITIONAL TERMS AND CONDITIONS: Complete description of all terms and conditions for sale of Performance Parts on this website.

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