Description
RACING LAB · PRODUCT DETAILS
150-cell high-flow B58 sports-catalyst downpipe
A 304 stainless-steel B58 sports-catalyst downpipe pairing a 150-cell high-flow catalytic core with integrated thermal shielding, a flexible joint and factory-style oxygen-sensor ports for the matching Supra or BMW application.
150-cell
Sports catalyst
304
Stainless steel
6 months
Limited warranty
Key features
✓High-flow catalyst
Retains a catalytic core while changing exhaust restriction.
✓Thermal protection
Integrated insulation reduces radiant heat around the pipe.
✓Flex section
Stainless flex section accommodates engine movement and expansion.
✓Sensor provision
Factory-style oxygen-sensor locations on supported vehicles.
Design & construction
The 150-cell catalytic core provides a high-flow exhaust route while retaining a catalyst, with the insulated body and flexible joint integrated into one assembly. Thermal shielding and a stainless flexible joint help manage radiant heat and engine movement.
Fitment & installation
Install with the correct B58 turbo outlet and matching downstream exhaust connection. Refit oxygen sensors and inspect all joints and nearby heat-sensitive components after installation.
What's included
- 1 × 150-cell sports-catalyst B58 downpipe
Vehicle fitment
ToyotaGR Supra A90 / A91 3.0 B58, supported 2020+
BMWG20/G21 M340i, supported 2020+; G30/G31 540i, supported 2018+
BMWG32 640i, supported 2018+; G14/G15/G16 840i, supported 2019+
BMWG29 Z4 M40i, supported 2019+
Technical specifications
Catalyst150-cell high-flow
Material304 stainless steel
Heat protectionIntegrated insulating layer
ConstructionStainless flex section
WarrantySix-month limited product warranty
Road-use information
A sports catalyst does not automatically establish Australian public-road emissions compliance; vehicle-specific emissions and noise rules apply.
Warranty
All Racing Lab performance parts are covered by a 1-year limited warranty against manufacturing defects and workmanship issues.
Every component is rigorously inspected to ensure quality and reliability, so you can upgrade your vehicle with confidence. If any issues arise, our support team is ready to assist with fast and hassle-free warranty claims.
Return Policies
We accept returns under the following strict conditions:
Restocking Fee: A 20% restocking fee (deducted from the product purchase price) applies to all returned items.
Item Condition: Returned items must show no signs of use, installation, or wear.
Free Shipping
Enjoy fast & free tracked shipping nationwide.
Pro Installation
Want a hassle-free installation? Book or enquire now.
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Why Buy From Racing Lab
Need help confirming fitment? Contact our Sydney team before ordering.
