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B58 Valved Catback Exhaust - BMW X3 M40i G01 & X4 M40i G02

B58 Valved Catback Exhaust - BMW X3 M40i G01 & X4 M40i G02

SKU: P9-B58-CBE-V-4

$2,899.99
$2,899.99 $2,999.99
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Key Features

  • Valved Exhaust Control: Allows switching between a quieter refined mode and a more aggressive performance sound.
  • Optimized Exhaust Routing: Designed to improve airflow characteristics and support enhanced engine response.
  • Precision Fabrication: Built with consistent weld quality and accurate fitment for long term durability.
  • Compatibility: Works with factory and most aftermarket exhaust components.
  • Warranty Coverage: Backed by a 1 Year Free Warranty to provide added confidence in quality and long term durability.

Description

  • Valved Exhaust System with Dual Character: Designed for the BMW B58 platform, this valved catback exhaust system delivers a balanced combination of refined daily driving comfort and a more aggressive performance sound when the valves are open.
  • Enhanced Exhaust Flow: Engineered to improve exhaust flow efficiency, supporting smoother power delivery and a more responsive driving experience.
  • Refined Sound Profile: Tuned to provide a deeper and more controlled tone in closed valve mode, while offering a more pronounced and performance oriented exhaust note when fully open.
  • Premium Build Quality: Manufactured with attention to precise construction, weld integrity, and material consistency to deliver a high end exhaust system suitable for performance and daily driving applications.
  • Fitment Verified Engineering: Developed and supplied after fitment verification to ensure proper alignment with factory mounting points and compatibility with OEM or upgraded exhaust components.
  • Professional installation is recommended to ensure proper alignment and secure mounting.

    • Designed for off-road and track use only. Not intended for use on public roads where emissions regulations apply.

COMPATIBILITY

Year Make Model Note
2018 - 2024 BMW X3 M40i G01
2019 - 2024 BMW X4 M40i G02

INCLUDED ITEMS

  • B58 Valved Catback Exhaust x 1
  • Necessary installation hardware x 1

INSTALLATION RECOMMENDATION

FOR BEST RESULTS, WE RECOMMEND PROFESSIONAL INSTALLATION TO HELP ACHIEVE PRECISE ALIGNMENT AND A CLEAN, SECURE FIT.

Guaranteed Fitment

Guaranteed Fitment

Precision-engineered specifically for BMW models. Fitment guarantee applies with professional installation

Responsive Customer Support

Responsive Customer Support

Our support team is available Monday–Friday, 9:00 AM–5:00 PM (PST). Contact us anytime at support@project9motorsport.com

Secure & Trusted Checkout

Secure & Trusted Checkout

Checkout is fully encrypted and PCI-compliant. We accept major credit cards, Apple Pay, Affirm, and more.

Manufacturer Warranty Included

Manufacturer Warranty Included

Every product includes a manufacturer warranty for added confidence and peace of mind.

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