JDM specialist Japanparts.com

Inner diameter of HKS' specially designed cast aluminum suction pipe is 53 compared with stock 45. By large inner diameter of the pipe, restriction of intake air flow is reduced by about 12% that will solve bottle neck at high boost level. It is designed to reuse stock blow-by pipes and the design prevents heat problem. Although it is beautiful aluminum polished finish, unfortunately it is hard to be seen after installation. However, the kit has proven performance. You can see further info on HKS' homepage. OK for 2011 model.

Size: Φ200-80/Red For IMPREZA WAGON, GGA, Engine EJ205, MY 08/2000 - 06/2007 Check HKS page for details Features: -The most powerful intake system carefully designed to fit engine room of a vehicle. HKS Racing Suction pushes air intake system efficiency to the limits. -Stealth frame is redesigned! Surface area increased by approximately 27%. -Bold white HKS logo printed on black anodized back plate accentuates the engine bay! Real sports TECHNOLOGY Vehicle specific suction pipe design. Angle and length of pipe enhance the induction efficiency. It is effective for quick response for NA engines and higher performance for turbocharged engines. Point With stock suction system, induction air hit to corrugated portion of hose and makes swirl and resistance. The specially designed pipe reduces corrugated portion and gap inside pipe to make air flow smoother. -Frame Support -Racing suction adopted wet two-layer type -Super Inner Frame -Super Lip Funnel

Size: SUBARU TYPE1 For IMPREZA, GH8, Engine EJ20X, MY 06/2007 - 12/2011 Check HKS page for details Features: Aluminum suction pipe and Super Hybrid Filter reduces intake resistance and enables quick response. -Aluminum pipe appeals in engine compartment. -Material and layout of suction pipe are changed to reduce resistance against intake air. -Newly developed Non-woven fabric collects large dust and polyurethane filter collects small dust. Thus HKS Super Hybrid Filter's 3 layers are made of different materials and functions to meet requirement for sport filter that need to balance quick response and long life. This kit includes -Aluminum Suction Pipe -HKS Silicon Hose -Bead Type Hose Band -Super Hybrid Filter -Gold Metal Logo Sticker

Size: SUBARU TYPE1 For EXIGA, YA5, Engine EJ205, MY 06/2008 - Check HKS page for details Features: Aluminum suction pipe and Super Hybrid Filter reduces intake resistance and enables quick response. -Aluminum pipe appeals in engine compartment. -Material and layout of suction pipe are changed to reduce resistance against intake air. -Newly developed Non-woven fabric collects large dust and polyurethane filter collects small dust. Thus HKS Super Hybrid Filter's 3 layers are made of different materials and functions to meet requirement for sport filter that need to balance quick response and long life. This kit includes -Aluminum Suction Pipe -HKS Silicon Hose -Bead Type Hose Band -Super Hybrid Filter -Gold Metal Logo Sticker

Size: SUBARU TYPE1 For FORESTER, SH5, Engine EJ205, MY 12/2007 - 10/2012 Check HKS page for details Features: Aluminum suction pipe and Super Hybrid Filter reduces intake resistance and enables quick response. -Aluminum pipe appeals in engine compartment. -Material and layout of suction pipe are changed to reduce resistance against intake air. -Newly developed Non-woven fabric collects large dust and polyurethane filter collects small dust. Thus HKS Super Hybrid Filter's 3 layers are made of different materials and functions to meet requirement for sport filter that need to balance quick response and long life. This kit includes -Aluminum Suction Pipe -HKS Silicon Hose -Bead Type Hose Band -Super Hybrid Filter -Gold Metal Logo Sticker

Size: SUBARU TYPE1 For LEGACY B4, BL5, Engine EJ20X, EJ20Y, MY 05/2003 - 05/2009 Check HKS page for details Features: Aluminum suction pipe and Super Hybrid Filter reduces intake resistance and enables quick response. -Aluminum pipe appeals in engine compartment. -Material and layout of suction pipe are changed to reduce resistance against intake air. -Newly developed Non-woven fabric collects large dust and polyurethane filter collects small dust. Thus HKS Super Hybrid Filter's 3 layers are made of different materials and functions to meet requirement for sport filter that need to balance quick response and long life. This kit includes -Aluminum Suction Pipe -HKS Silicon Hose -Bead Type Hose Band -Super Hybrid Filter -Gold Metal Logo Sticker

Not compatible with AT models. Official info: https://www.hks-power.co.jp/en/product_db/muffler/db/33419

Not compatible with AT models. Official info: https://www.hks-power.co.jp/en/product_db/muffler/db/33418

Official product information: https://www.hks-power.co.jp/en/product_db/muffler/db/33482

Main pipe only. Compatible with the vehicle with the STI rear under spoiler or the stock rear under diffuser. The vehicle with the stock rear bumper skirt is not confirmed. *SPEC-L II: 6.7kg (52% lighter than stock.)