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  • HKS [15-21 WRX] Super Turbo Muffler Performance Exhaust System - JDMuscleCat Back Exhaust Systemhks31029-AF012
  • HKS [15-21 WRX] Super Turbo Muffler Performance Exhaust System - JDMuscleCat Back Exhaust Systemhks31029-AF012

HKS

HKS

Super Turbo Muffler Cat-Back Exhaust System

Fits: 15-21 WRX

$2,20000
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Pay over time available · Est. $68.75/payment
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Illustrative estimate only, not a financing quote or guaranteed offer. Actual payments, frequency and terms vary by provider and eligibility. Taxes, shipping and add-ons are excluded.

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HKS Super Turbo Muffler Cat-Back Exhaust System
Fits: 15-21 WRX

Other cat-back exhausts for 15-21 WRX

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Fitment

Please Note: Fits 2015-2021 Subaru WRX (HKS catalog name 'VAG WRX S4' = JDM chassis code). HKS Super Turbo Muffler cat-back; 75mm straight to dual 60mm; dual 124mm tips; 304 SS; 78 dB; JASMA; OEM hangers; 1-year HKS warranty. Note: STI fitment and 2014 start year appear on some dealers but are unconfirmed by HKS - kept '15-21 WRX', flagged. Part #31029-AF012.
  • 2015–2021 Subaru | WRX

Description

The HKS Super Turbo Muffler cat-back exhaust for the 2015-2021 Subaru WRX - listed in HKS's catalog under the JDM chassis code 'VAG WRX S4' - is engineered to deliver improved airflow and a more aggressive, dry sporty exhaust tone. A 75mm straight structure splits into dual 60mm piping with dual 124mm tips, built from 304 stainless steel with OEM-location hangers, gaskets, and hardware included.

  • Fits 2015-2021 Subaru WRX (HKS catalog name: VAG WRX S4 - the JDM chassis code, not an error)
  • Super Turbo Muffler cat-back: 75mm straight structure to dual 60mm piping
  • Dual 124mm tips; 304 stainless steel
  • 78 dB; dry sporty sound; JASMA standard
  • OEM-location hangers; gaskets and hardware included
  • 1-year HKS manufacturer warranty (authorized sellers only)
  • Part #31029-AF012

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