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Treadstone Performance Intercooler Kit for Subaru WRX STi '03-'07

$1,102.50
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We want to be your only stop for quality auto racing parts, and we recognize that our customers may need some assistance in choosing the right products. After all, nobody is born an expert.

As knowledgeable racing enthusiasts, we are happy to offer our professional advice, quotes, and assistance over the phone.

If you need information or advice on the latest Nissan aftermarket parts, or if you have any questions at all, please feel free to give our friendly experts a call at (352) 241-8399 or send us an email at [email protected]

Working Hours:
  • Monday 11AM - 5PM EST
  • Tuesday - Friday 10AM - 5PM EST
  • Closed for lunch daily, 12:30PM - 1:30PM EST

Questions? Contact our experts at (352) 241-8399 or send us an email.

Re-introducing our infamous Subaru WRX STi intercooler kit. This heavyweight is measured at 28” x 4.5” x 10.5” and can handle up to 900 HP and 938 CFM flow rate at 1.5 PSI pressure drop without even coming close to over-stressing your engine. Our kit has been tried true by some of the industries best tuners on both track and strip and is private labeled across the world. We’ve designed our kit to relieve the threat of heat soaking: making it the last worry on your mind.

Some key features integrated into our design is a built in front-frame-brace which replaces the bumper support and fortifies front structural integrity of your vehicle. Our intercoolers enlarged internal surface area provides superior cooling efficiencies for radiating heat excess and minimizing heat soak. Another detail worth mentioning–to sell the idea of superior engineering–our replacement front-frame-brace comesgrooved around welding strips to avoid rubbing caused by vibration, therefore ensuring no development of micro-fissures. Pretty much if you’ve thought about a common or sophisticated problem, we’ve thought about it even longer and have developed a truly flawless product

This is not a kit for stock location turbos; however you can still adapter the rotated mount kit piping to connect to stock turbo location. Extra pipes that will be needed are 1-2.5" to 2" 45 silicone, 1-2" Aluminum 90, and 1-2" Silicone 90


Legal only for use in competition vehicles which may never be registered, licensed, and/or used on public streets or highways; and also for use in other exempted vehicles.

  • Orders are usually processed within 24 hours. Those placed on weekends and holidays will begin processing at the start of the next business day.
  • If you need to receive any part by a certain deadline, or within an urgent timeframe, please call or email us so we can verify the ready availability of the item(s) in question.
  • At Enjuku racing, we are pleased to ship orders to any location in the world.
  • Most customers within the 48 continental United States receive their orders within 7-10 business days.
  • We ship most orders via FedEx Ground. All orders outside the continental United States are subject to higher shipping costs.

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Treadstone Performance Intercooler Kit for Subaru WRX STi '03-'07

Treadstone Performance Intercooler Kit for Subaru WRX STi '03-'07

$1,102.50

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