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  See more parts for Subaru Impreza
Select the year of your Subaru Impreza:
HKS Hi-Power SPEC-L2 GRB/GRF EJ20 Subaru Impreza WRX STI 5D 08-22 - 31019-AF127
HKS Hi-Power SPEC-L2 GRB/GRF EJ20 Subaru Impreza WRX STI 5D 08-22 - 31019-AF127 - Image 2 HKS Hi-Power SPEC-L2 GRB/GRF EJ20 Subaru Impreza WRX STI 5D 08-22 - 31019-AF127 - Image 3 HKS Hi-Power SPEC-L2 GRB/GRF EJ20 Subaru Impreza WRX STI 5D 08-22 - 31019-AF127 - Image 4

HKS High Power Exhaust System for Subaru Impreza WRX STI

Upgrade your Subaru Impreza WRX STI (2008-2022) with the HKS High Power Exhaust System, specifically engineered to maximize performance and sound. This exhaust features a straight-flow design that enhances exhaust efficiency, ensuring your vehicle runs at its best. With a piping diameter of up to 3.5 inches, you'll experience a deeper, more aggressive engine note that perfectly complements the sporty character of your WRX STI.

Key Features:

  • Lightweight design at just 9.4 kg—that's 52% lighter than the stock muffler weighing 19.3 kg.
  • Constructed from durable SUH409 stainless steel for longevity and resistance to corrosion.
  • Enhanced aesthetics with a striking titanium tail tip cover, replacing the traditional carbon option.
  • Designed with optimized piping to ensure the straightest flow possible, resulting in improved exhaust efficiency.

Fitment:

  • Compatible with Subaru Impreza WRX STI 5D (2008-2022).

Important Notes:

  • This exhaust system is not compatible with the SPEC-C model (2010/12-).
  • STI exhaust garnish can be installed for a refined look.
  • Tail cover size: 94 mm, Tail size: 48 mm.
  • Weight: 9.4 kg, significantly lighter than the stock option.
  • Images are for illustrative purposes; actual product may vary.

Customer Feedback:

Users have noted a significant improvement in both sound and performance after installing the HKS High Power Exhaust. Many appreciate the lightweight construction, which contributes to better handling and responsiveness. The aggressive look and enhanced exhaust note have also received positive remarks, making it a popular choice among WRX STI enthusiasts.

Other Part Numbers:
HKS #hks31019-AF127

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Vehicle Make/Model
Subaru Impreza 2008-2014 WRX STI
Subaru Impreza 2008-2014 Sport
Subaru Impreza 2008 2.0R
Subaru Impreza 2008-2014 WRX
Subaru Impreza 2008-2011 Outback Sport
Subaru Impreza 2008-2011 2.5i
Subaru Impreza 2009-2014 WRX Premium
Subaru Impreza 2009-2010 2.5 GT
Subaru Impreza 2009-2012 R
Subaru Impreza 2010 WRX GT
Subaru Impreza 2010 2.5i Limited
Subaru Impreza 2010 WRX SE
Subaru Impreza 2010-2014 WRX Limited
Subaru Impreza 2010-2011 2.5i Premium
Subaru Impreza 2010 WRX STI Special Edition
Subaru Impreza 2011-2014 WRX STI Limited
Subaru Impreza 2011 XV
Subaru Impreza 2012-2014 Touring
Subaru Impreza 2012-2014 Sport Limited
Subaru Impreza 2012-2014 Premium
Subaru Impreza 2012-2014 Base
Subaru Impreza 2012-2014 Limited
Subaru Impreza 2012-2014 Sport Premium
Subaru Impreza 2013-2014 i
Subaru Impreza 2013-2014 I Sport
Subaru Impreza 2014 I Limited
Subaru WRX 2012-2016 STI
Subaru WRX 2012-2022 Base
Subaru WRX 2013-2022 Limited
Subaru WRX 2014 SE
Subaru WRX 2015-2022 Premium
Subaru WRX 2017-2022 Sport
Subaru WRX 2017-2022 Sport-tech
Subaru WRX 2018-2021 CVT
Subaru WRX 2018-2021 6 Man
Subaru WRX 2019-2020 Sport-tech RS
Subaru WRX 2019 Raui Edition
Subaru WRX 2021 EyeSight
Subaru WRX 2022 GT
Subaru WRX STI 2013-2014 Base
Subaru WRX STI 2013-2014 Sport-tech
Subaru WRX STI 2014 Tsurugi Edition

Since its beginning, HKS has been committed to providing well-integrated, reliable,and environmentally sound performance systems. Mr. Hasegawa's strong leadership, engineering genius, creativity and willingness to listen to customers are the pillars of the company's success. Monitoring consumer reaction and input on issues pertaining to material quality, external appearance, sound quality, and of course, performance, HKS stays in tune with automotive enthusiasts' needs. Moreover, HKS' products are designed to be user friendly for easy installation.

Warranty for Exhaust System

HKS provides a warranty to the original purchaser of HKS exhaust systems against defects in materials and workmanship for a period of one year. The warranty applies only for vehicle specific exhaust systems. Other products such as metal catalyzers, front pipes, exhaust manifolds, and center pipes are not covered.

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