Product Overview

Upgrade your BMW X3/X4 G01/G02 M40i B58 3.0T with this high-performance catback exhaust system featuring an electronic valve for adjustable sound control. Designed to improve exhaust flow, reduce backpressure, and enhance throttle response, this system delivers a deeper, more aggressive exhaust tone while maintaining drivability for daily use.

Constructed from premium 304 stainless steel with a stylish blue burnt finish, this exhaust system combines durability, corrosion resistance, and a sporty aesthetic to complement the rear profile of your vehicle. The direct-fit design ensures seamless installation and perfect integration with factory mounting points.

Key Features

Electronic Valve Exhaust Control
Easily switch between quiet and aggressive exhaust tones for a customizable driving experience.

Performance Catback Design
Optimized exhaust flow reduces restriction and improves engine efficiency and responsiveness.

Vehicle-Specific Fitment
Engineered for BMW X3/X4 G01/G02 M40i B58 3.0T models for precise installation and compatibility.

304 Stainless Steel Construction
High-quality stainless steel ensures long-lasting durability, corrosion resistance, and heat tolerance.

Blue Burnt Finish
Adds a sporty and aggressive visual appeal to the vehicle’s rear profile.

Enhanced Driving Experience
Delivers a more engaging and performance-oriented exhaust sound while remaining comfortable for daily driving.

Specifications

Product Type: Performance Catback Exhaust System
Vehicle Compatibility: BMW X3/X4 G01/G02 M40i B58 3.0T
Material: 304 Stainless Steel
Finish: Blue Burnt
Muffler Type: Performance Muffler
Valve System: Electronic Adjustable Valve
Mounting Position: Rear
Pipe Thickness: 1.5 mm
Installation Type: Direct-Fit Upgrade
Manufacturing Origin: Shandong, China
Model Years: 2014–2019

Performance Benefits

Optimized Exhaust Flow
Reduces backpressure for smoother engine operation and improved efficiency.

Enhanced Power and Throttle Response
Supports better horsepower and torque delivery under acceleration.

Customizable Exhaust Sound
Switch between quiet and aggressive tones with the electronic valve system.

Sporty Driving Experience
Provides a deeper and more dynamic exhaust note while maintaining daily comfort.

Durable and Reliable Construction
Premium 304 stainless steel ensures longevity and resistance to high temperatures and corrosion.

Ordering & Production

Production Time: 7–10 business days after order confirmation.

Wholesale Availability: Available for both retail and bulk orders, with discounts for multiple units.

Required Vehicle Information:

• Vehicle model and year
• Engine type (3.0T B58)
• Any rear modifications (diffuser, bumper changes, etc.)

Fitment Verification: Vehicle information is reviewed prior to production to ensure proper installation and compatibility.

⚠️ Important Notes

Custom-Made Product: This exhaust system is made-to-order based on specific vehicle specifications. Sound results may vary depending on installation, engine configuration, and driving conditions.

International Shipping Notice: Minor cosmetic marks or slight deformation may occur during transportation but do not affect performance.

Professional Installation Recommended: Ensures optimal performance, fitment, and safety.

Pre-Order Confirmation: Confirm all vehicle specifications before production. Customized products cannot be canceled or modified once manufacturing begins.