Capristo Exhaust 250 Cell Downpipe BMW M3 | M4 2021-2024
Key Features:
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200-Cell High-Flow Substrate
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Made from premium materials for optimal exhaust gas flow.
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Lower cell count (200 CPI) means larger channels, reducing restriction and improving performance over stock catalytic converters.
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Optimized Design for Maximum Flow
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Housed in a 5.2-inch diameter casing to prevent flow restriction.
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Works seamlessly with valved exhaust systems (like CAPRISTO’s) to balance backpressure for low-RPM torque and free-flowing exhaust at high RPM.
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High-Quality Materials & Finish
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Compatibility & Fitment
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Potential Check Engine Light (CEL) Issues
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Track & Off-Road Use Only
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These catalytic converters are not street-legal in emissions-regulated areas.
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Designed for racing, track days, or off-road use.
Fitment Chart:
| Make |
Model |
Style |
Year |
BMW
|
M3
|
G80 |
2021-2024
|
|
BMW |
M4 |
G82 |
2020
|
⚠️ California Proposition 65 Warning:
This product may expose you to chemicals known to the State of California
to cause cancer or reproductive harm.
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Avoid the headache of the wrong part. If you are unsure about compatibility, contact us first. If we verify the fitment for your vehicle via email and it doesn’t fit, we will handle the exchange at no cost to you.
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To qualify for our Fitment Guarantee, please email your vehicle’s Year, Make, Model, and any existing modifications to:
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Our experts will review your specifications and provide written confirmation for your build.
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Unused items in brand new, original packaging can be returned within 30 days. While standard refunds incur a 25% restocking fee, we will waive this fee entirely if you choose store credit or an exchange for your next upgrade.
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Exclusions:
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Fitment Guarantee
Fitment guides and tools are helpful, but your car is unique! Some trims and options aren’t always listed, so if you want 100% confidence that a part will fit, our team is happy to double check for you. We take the guesswork out of your purchase by standing behind our expertise.
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Verify Your Build:
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If this product doesn't list your specific vehicle data, simply reach out to support@autohousesupply.com. We will manually verify compatibility for you.
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Our Promise:
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When we confirm a fitment in writing and it doesn’t work for your application, we cover the return shipping and exchange it at no cost to you.
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