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HFE Toyota Supra A90 A91 B58 Non-OPF Decat Downpipe – Performance Upgrade
HFE Toyota Supra A90 A91 B58 Non-OPF Decat Downpipe – Performance Upgrade
HFE Toyota Supra A90 A91 B58 Non-OPF Decat Downpipe – Performance Upgrade
HFE Toyota Supra A90 A91 B58 Non-OPF Decat Downpipe – Performance Upgrade
HFE Toyota Supra A90 A91 B58 Non-OPF Decat Downpipe – Performance Upgrade
HFE Toyota Supra A90 A91 B58 Non-OPF Decat Downpipe – Performance Upgrade
HFE Toyota Supra A90 A91 B58 Non-OPF Decat Downpipe – Performance Upgrade
HFE Toyota Supra A90 A91 B58 Non-OPF Decat Downpipe – Performance Upgrade

HFE Toyota Supra A90 A91 B58 Non-OPF Decat Downpipe – Performance Upgrade

€355,95

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High Flow Engineering B58 Decat Downpipe Non-OPF Performance Upgrade

Unlock sharper turbo response and improved exhaust flow with the HFE B58 Non-OPF Decat Downpipe for Toyota Supra A90 and A91 models. By replacing the restrictive factory catalytic converter section, this high-flow upgrade reduces backpressure, enhances spool characteristics, and supports increased power output on tuned B58 engines.

⚠ IMPORTANT – EMISSIONS & ROAD USE NOTICE

This product removes the factory catalytic converter and is intended for off-road, motorsport or track use only. It is not UK road legal and will result in an MOT emissions failure. ECU tuning is required after installation.

Key Features＋
  • High-Flow Decat Design: Eliminates restrictive OEM catalytic section.
  • Improved Turbo Efficiency: Faster spool and sharper throttle response.
  • Reduced Exhaust Backpressure: Supports higher boost levels.
  • 304 Stainless Steel Construction: Heat-resistant and durable.
  • Mandrel-Bent Tubing: Smooth internal flow for optimal gas evacuation.
  • Direct-Fit Installation: Designed for Non-OPF B58 Supra models.
Why Upgrade Your A90/A91 Downpipe?＋
  • The factory catalytic converter restricts exhaust flow on tuned B58 engines.
  • Improved airflow increases efficiency under load.
  • Essential supporting modification for Stage 2 tuning.
  • Enhances turbo sound and overall exhaust character.
  • Supports higher horsepower builds.
Technical Specifications＋
  • Engine: BMW B58 3.0L Turbo
  • Vehicle: Toyota Supra A90 / A91
  • Configuration: Decat (no catalytic converter)
  • Material: 304 stainless steel
  • Fitment: Non-OPF models only
Vehicle Compatibility＋
  • Toyota Supra A90 (2019–2020 Non-OPF)
  • Toyota Supra A91 (Non-OPF models)

✔ B58 engine only
✔ Non-OPF / non-GPF vehicles only
✔ Always confirm vehicle specification before ordering
✔ ECU tuning required

Installation＋
  • Remove the factory catalytic downpipe assembly.
  • Install HFE decat downpipe using OEM mounting points.
  • Check alignment and secure all connections.
  • ECU remap required before driving.
  • Professional installation strongly recommended.
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⚠️ DISCLAIMER Unless explicitly stated otherwise, all products sold by DC Prestige Online LTD are designated race-only and are solely for competition or off-road use limited to racing formally sanctioned by a recognized racing organization. Any other use, including recreational off-road use, may be in violation of local, state, and Federal laws. DC Prestige Online LTD does not implicitly or explicitly confirm the legality of using any products it sells on public roads; that is entirely the responsibility of the consumer. Read our full terms of service here.

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Last updated: 07/09/2025

We want you to be confident when shopping with us. This page explains your rights and our terms for deliveries, returns, refunds, exchanges, and digital products. It applies to UK and international customers.

1. Standard Returns (UK & International)

  • Notify us within 14 calendar days of receiving your order if you wish to return.
  • Once approved, you have a further 14 days to send the goods back.
  • Items must be unused, uninstalled, and in original packaging, with proof of purchase.
  • Refunds are processed to your original payment method within 14 days of receiving goods (or proof of postage).

Note: Standard delivery costs will be refunded; upgraded shipping (e.g., next-day) is non-refundable. You are responsible for return postage unless the item is faulty, damaged, or incorrect. Used, installed, or damaged goods beyond reasonable inspection may incur up to 50% deduction from the refund.

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  • Cancellations or changes made less than 48 hours before your installation appointment will forfeit your fitting deposit.
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9. How to Start a Return

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HFE Toyota Supra A90 A91 B58 Non-OPF Decat Downpipe – Performance Upgrade