ApexBuilt® B58 GESI High-Flow Catted Downpipe – BMW/GR Supra (B58/B58TU, 2016-2025)

$1,610.00 $1,756.00
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ApexBuilt® High-Flow Catted Downpipes for BMW B58 engines deliver exceptional performance and quality...

• Industry-leading build quality ensures durability and reliability.
• Perfect fitment is guaranteed for a hassle-free installation.
• Experience drastically improved throttle response, quicker turbo spool, and an aggressive exhaust note compared to OEM systems.
• Equipped with GESI 400 Cell cats, achieving 49 state emissions compliance.
• Enjoy estimated gains of 20-25+ wheel horsepower and 30-35+ TQ on vehicles that are not tuned.
• When paired with an aftermarket ECU tune, expect impressive gains of 45+ HP and 50+ TQ over stock power levels.
• Crafted from TIG-welded T304 stainless steel, each downpipe is meticulously assembled by hand in Florida.
• Backed by a lifetime warranty for your peace of mind.

PLEASE NOTE:

These parts are designed for OFF ROAD / RACE USE ONLY. We recommend running a tune on your vehicle for optimal results.
As of June 6, 2024 – estimated production lead time of 6-8 weeks if product is not in stock

FAQ

Fitment details & applicable part numbers

BMW:
18328682788
18328631625
18328660990

Toyota:
25051-WAA02
25051-WAA07

BMW

  • 1' F20 LCI   (09/2015 — 06/2019)
  • 1' F21 LCI   (09/2015 — 06/2019)
  • 2' F22   (09/2015 — 06/2017)
  • 2' F22 LCI   (09/2016 — 12/2019)
  • 2' F23   (09/2015 — 06/2017)
  • 2' F23 LCI   (10/2016 — 12/2019)
  • 3' F30 LCI   (10/2014 — 10/2018)
  • 3' F34 GT LCI   (09/2015 — 12/2019)
  • 4' F32 LCI   (05/2016 — 12/2019)
  • 4' F33 LCI   (05/2016 — 12/2019)
  • 4' F36 Gran Coupé   (03/2015 — 02/2017)
  • 4' F36 Gran Coupé LCI   (05/2016 — 12/2019)
  • 5' G30   (11/2015 — 06/2019)
  • 5' G31   (03/2016 — 06/2019)
  • 5' G38   (02/2016 — 08/2019)
  • 6' G32 GT   (09/2016 — 06/2019)
  • 7' G12   (10/2014 — 02/2019)
  • X3 G01   (10/2016 — 07/2019)
  • X4 G02   (03/2017 — 07/2019)
  • 3' G20   (01/2018 — 12/2019)
  • 3' G21   (10/2018 — 12/2019)
  • Z4 G29   (01/2018 — 12/2019)
  • X5 G05   (10/2017 — 01/2020)
  • X6 G06   (06/2018 — 01/2020)
  • X7 G07   (11/2017 — 01/2020)

Toyota

  • 2020-2025 Toyota GR Supra 3.0