Gen 3 B58 BMTLA Downpipe
$314.99 USD
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Gen 3 B58 BMTLA Downpipe
$314.99 USD
Shipping calculated at checkout.
BMW B58 Gen 3 Race Downpipe
The factory downpipe on the B58 Gen 3 platform is designed for emissions compliance and creates significant restriction in the exhaust system. This catless race downpipe eliminates that restriction, allowing exhaust gases to flow more freely, improving turbo response, increasing power, and delivering a more aggressive exhaust tone.
By reducing backpressure, the turbocharger is able to spool faster and operate more efficiently, resulting in noticeable gains in performance, throttle response, and overall driving experience.
Key Features
- Direct OEM fitment
- Catless race design for maximum exhaust flow
- Significant reduction in exhaust restriction
- Improved turbo response and power output
- Increased exhaust volume and aggressive tone
- Precision CNC-machined flanges
- Mandrel-bent 304 stainless steel construction
- TIG-welded for strength and durability
- Compatible with factory and aftermarket exhaust systems
Build Quality
Manufactured from 304 stainless steel with smooth transitions and precision welds to ensure optimal exhaust flow and long-term durability under high heat and boost conditions.
Fitment
Fits:
- BMW M340i (2025+)
- BMW M440i (2025+)
- B58 Gen 3 engines
Important Notes
- For off-road use only
- Catless design will trigger a check engine light without proper tuning
- ECU tune recommended for optimal performance
- Increased exhaust sound and odor compared to factory catalytic systems
- Professional installation recommended
- Please include your VIN in the order notes so we can confirm fitment and supply the correct product
- If installation is selected, this order will be shipped to our Burbank installation location for scheduled service
Shipping
- Estimated delivery: 4–8 business days
- Tracking provided once shipped
Warranty
- 36-month warranty covering manufacturer defects only
- Covers defects in materials or workmanship under normal use
Exclusions
- Does not cover improper installation
- Does not cover misuse, abuse, or neglect
- Does not cover normal wear and tear
- Does not cover damage caused by failing or reused components such as gaskets, clamps, or related hardware
Installation by BimmerTechsLA
- If installed by BimmerTechsLA, labor is covered under warranty for 36 months
- Labor coverage applies only to issues directly caused by a defect in the product
- Labor warranty does not cover issues caused by unrelated parts, pre-existing conditions, or customer-requested reuse of worn components
Installation & Delivery
- Installation available at BimmerTechsLA (Burbank, CA) upon request
- If installation is selected or a free-shipping/install code is used, your order will be shipped directly to our installation location
- By selecting installation or using the install code, you agree to have your product delivered to BimmerTechsLA for scheduled installation
- Orders without installation selected will be shipped to the customer’s provided address