Capristo 100 Cell OPF Replacement Pipes for Porsche 718 GT4RS 2021-2025
High-performance 100-cell sports catalytic converters crafted from T309 (1.4828) stainless steel with a hand-polished mirror finish. Designed to maximize airflow and increase engine power.
Key Specifications & Warnings
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Material: T309 (1.4828) Grade Stainless Steel, hand-polished mirror finish.
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Catalytic Converters: 100-cell substrate (ultra-high-flow design).
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Flow Technology: Lower cell count = larger holes per square inch = maximized exhaust gas flow.
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Use Case: Recommended For Off-Road and Track Use Only.
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CEL Alert: Replacing OEM Catalytic Converter/s will trigger a Check Engine Light (CEL).
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CEL Solution: Recurring CEL requires ECU tuning.
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Critical Legal Notice:
Use of sports catalytic converters, replacement pipes, or manual valve controls (CES-3/EVCU-1) is illegal on public roads in some regions (e.g., certain US states).
Buyer must verify local compliance.
Exclusively for closed-course/racing use. Public road operation at your own risk.
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Safety Warning:
NEVER rev engine while stationary – exhaust flames may cause property damage or severe injury.
Fitment Chart:
| Make |
Model |
Year |
Porsche
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718 GT4RS
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2021-2025
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⚠️ 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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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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Secure Shipping:
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Transit Protection:
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Please inspect your order immediately. Damage must be reported within 48 hours. For freight/LTL items, if you cannot inspect the contents immediately, please write "Subject to Inspection" on the delivery receipt before signing.
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Flexible Returns:
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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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To ensure every customer receives brand new, untampered components, parts that have been installed, modified, or used are non returnable. Custom builds, special orders, and wheel/tire packages are considered final sale.
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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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