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Valvetronic Designs 400 Cell Catted Downpipes - BMW G8X M2 / M3 / M4
Valvetronic Designs 400 Cell Catted Downpipes - BMW G8X M2 / M3 / M4
Valvetronic Designs 400 Cell Catted Downpipes - BMW G8X M2 / M3 / M4
Valvetronic Designs 400 Cell Catted Downpipes - BMW G8X M2 / M3 / M4
Valvetronic Designs 400 Cell Catted Downpipes - BMW G8X M2 / M3 / M4
Valvetronic Designs 400 Cell Catted Downpipes - BMW G8X M2 / M3 / M4
Valvetronic Designs 400 Cell Catted Downpipes - BMW G8X M2 / M3 / M4
Valvetronic Designs 400 Cell Catted Downpipes - BMW G8X M2 / M3 / M4
Valvetronic Designs 400 Cell Catted Downpipes - BMW G8X M2 / M3 / M4
Valvetronic Designs 400 Cell Catted Downpipes - BMW G8X M2 / M3 / M4
Valvetronic Designs 400 Cell Catted Downpipes - BMW G8X M2 / M3 / M4
Valvetronic Designs 400 Cell Catted Downpipes - BMW G8X M2 / M3 / M4
  • SKU: BMW.G8X.M2.M3.M4.FF.400C.BR
  • Availability: In stock Usually ships within 5-7 Days Special Order 4-6 Weeks

Valvetronic Designs 400 Cell Catted Downpipes - BMW G8X M2 / M3 / M4

$2,186.00 $2,429.00

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DESCRIPTION

BMW G8X M2 / M3 / M4 EPA-Compliant 400 Cell Catted Downpipes

Engineered for the S58 Twin-Turbo Inline-6 High-Flow Compliant


Introducing Our NEW 400 Cell EPA-Compliant Downpipes for the G8X Platform

The BMW G8X M2, M3 and M4 represent the next evolution of M performance, powered by the highly capable S58 twin-turbo inline-6. While factory catalysts prioritize restriction and sound suppression, our NEW EPA-compliant 400 cell high-flow catted downpipes are engineered to reduce exhaust backpressure, enhance turbo efficiency, and unlock a sharper, more aggressive exhaust character — all while maintaining emissions compliance standards.

This upgrade maximizes the performance potential of the S58 platform without compromising drivability.


Why Upgrade to 400 Cell?

  • EPA-Compliant 400 Cell High-Flow Catalysts: Increased exhaust flow while maintaining compliance standards.
  • Improved Turbo Response: Reduced restriction enhances spool speed and mid-range power delivery.
  • Enhanced Exhaust Character: Deeper tone with more defined turbo acoustics and sharper high-RPM presence.
  • Street & Track Ready: Noticeable gains while maintaining everyday usability.

Performance & Engineering

  • Optimized Flow Architecture: Minimizes backpressure while preserving catalyst efficiency.
  • Mandrel-Bent Tubing: Smooth internal transitions for consistent exhaust velocity.
  • Precision TIG Welding: Built to withstand extreme exhaust temperatures and high boost levels.
  • Direct OEM Bolt-On Installation: Utilizes factory mounting locations for straightforward installation.
  • Engineered to Pair Seamlessly with Valvetronic Exhaust Systems

Sound Transformation

  • Stock Exhaust + Downpipes: Noticeable increase in depth and turbo presence with improved exhaust clarity.
  • Valvetronic Exhaust + Downpipes: Maximum transformation and stronger crackles, enhanced turbo spool acoustics, and a more aggressive overall signature.

Construction & Durability

  • Premium high-grade stainless steel construction
  • High-temperature resistant 400 cell catalyst cores
  • OEM-style sensor placement for proper operation
  • Engineered for long-term reliability under high boost and tuning conditions

 

DOCUMENTS
AVAILABILITY

Eurosport Performance does not have live inventory. Although we aim shipping out not stocked products within 5 business days, supply constraints, import proceedures and product availability can cause additionnal delays. Please refer to the table below for more accurate details. 

In stock - We have the item in stock at our warehouse and you can expect fulfillment within 24 hours.

Usually ships within 5-7 business days - We must import this product from our supplier or the manufacturer. Standard import proceedures take between 5-7 business days and you can expect fulfillment within 8 business days.

Back ordered - This product is out of stock at our warehouse with units in transit from our supplier. Fulfillment can vary. 

If you wish to have a more accurate ETA, please send us a message at info@es-performance.com and we will respond within 24-48h. 

WARRANTY

12 Months

All products sold by Eurosport Performance are warrantied against manufacturing defects according to the manufacturer's warranty policy*. Warranty does not cover abuse, misuse, damages caused from improper manipulation, normal wear and tear, improper installation, or damages resulting from racing. Warranties only apply to the original owner. If a product is found defective, the customer will receive, at the discretion of Eurosport Performance, a replacement part at no extra cost.

* Conditions may apply. Please visit our Refund Policy or contact us at info@es-performance.com

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