HKS 2020+ GR Supra B58 - Front Pipe w/ Metal Catalyzer

Regular price $2,280.00 USD $1,791.27 USD

Ready To Ship! Special Order! Ships in 10+ weeks

Part # hks33005-AT009

The HKS front pipe with metal catalyzer for the 2020+ GR Supra B58 Engine is an 85mm front pipe that lowers 40% exhaust pressure, does improving exhaust flow for greater performance.  On average expect about 13HP increase with just this alone.
  • 2020+ Toyota GR Supra B58 
  • Not compatible with 3BA-DB42 made from May 2019 to Sep 2020 and 3BA-DB06 made after Oct 2022.


  • The HKS catalyzer has 150 cells compared to the stock catalyzer‘s 600 cells, resulting in a 40% lower exhaust pressure.
  • Gain an approx. 13HP advantage by just replacing catalyzer. (In-house test)
  • The outlet is made by lost wax casting in order to produce ideal layout.
  • WLTC emission tests are thoroughly conducted in-house, and a third-party test certificate is obtained.

Note: Non CARB Legal or for sale in California

Customer Reviews

Customer Reviews

Based on 1 review
harry (Malden, MA, US)
Awesome JDM Catted Downpipe!

Love the louder sound and pops! I can hear the turbo spool coming out of the exhaust :) So far no CEL yet, hope it stays that way!

Customer Questions


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