More flow for less restrictions, don't let your exhaust be the weak point of power
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More flow for less restrictions, don't let your exhaust be the weak point of power
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A more free flowing option
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Replaces Stock Catalytic Converters
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Replaces your factory catalytic converter with high flow sport cats for increased performance while staying road legal!
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Replaces your factory catalytic converter with high flow sport cats for increased performance while staying road legal!
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Increase performance and maintain emissions
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100% handcrafted in Italy. Stainless steel construction. Legendary sound!
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Elevate the performance and acoustic profile of your BMW G8X with Valvetronic Designs' EPA-compliant 400-cell catted downpipes.
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Engineered for the Gen 2 B58 Turbocharged Inline-6 - High-Flow - EPA Compliant
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For 2025+ model years
Unleash the power of your car by reducing the biggest restriction in your exhaust, while remaining emissions compliant.
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Gain power and sound while staying emission compliant!
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Please call in with VIN before purchase
EPA compliant cat with increased flow and performance!
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For Model Years 2024+ - Please call in with vin prior to purchase
For Model Years 2024+
Allows for greater exhaust flow than the stock downpipes
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For 2014+ model years only
For 2014+ model years only
These downpipes replace the restrictive factory units to deliver faster turbo spool, increased horsepower, and a more aggressive exhaust note.
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Improves exhaust flow for more power while remaining fully EPA compliant
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For vehicles with the N63B engine (2020+) - VIN Required for Purchase
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
06-12-2026
EPA compliant cat with increased flow and performance!
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms