Exhaust› Exhaust Pipes, Systems and Components
MAPerformance
3" Catted Downpipe/J-Pipe with GESI Gen 2 Converter
SKU: STM-VBWRX-DP
Moderate — 2–4 hours
Description
This downpipe incorporates a 400 CPSI GESI Gen 2 G-Sport UHO EPA Converter and includes two O2 bungs for sensor placement. It is capable of supporting up to 850 horsepower and offers improved power throughout the entire power band, with a faster spool time. The STM downpipe is lighter than the factory unit, saving 8.5 pounds.
Fitment
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Available on iOS & Android
Specifications
| Brand | MAPerformance |
| Part Number | STM-VBWRX-DP |
| Category | Exhaust |
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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