Product Overview

Upgrade your BMW 335i or 340i F30/F31 with this high-performance catback valve exhaust system designed for N55 and B58 3.0T engines. Engineered to improve exhaust flow and reduce backpressure, this performance exhaust system enhances throttle response, increases power potential, and delivers a deeper, more aggressive exhaust note.

Featuring an adjustable valve control system, drivers can easily switch between a refined daily-driving sound and a more aggressive performance tone. Constructed from premium SUS304 stainless steel, this exhaust system offers exceptional durability, corrosion resistance, and long-term reliability under demanding driving conditions.

Key Features

Valve-Controlled Exhaust System

Adjust exhaust sound levels instantly, allowing seamless switching between comfort and performance modes.

Performance Catback Design

Optimized exhaust routing improves airflow efficiency, helping maximize engine performance and responsiveness.

BMW-Specific Fitment

Designed specifically for BMW 335i and 340i F30/F31 models equipped with N55 and B58 3.0T engines.

SUS304 Stainless Steel Construction

Manufactured from high-quality stainless steel for excellent durability, corrosion resistance, and heat tolerance.

Micropole Muffler Technology

Provides a refined balance between performance and sound control, delivering a deep and sporty exhaust tone.

Direct-Fit Installation

Engineered to integrate with factory mounting points for accurate fitment and easier installation.

Specifications

Product Type: Performance Exhaust System

Exhaust Type: Catback Valve Exhaust System

Vehicle Compatibility: BMW 335i F30/F31 / BMW 340i F30/F31

Engine Compatibility: N55 3.0T / B58 3.0T

Material: SUS304 Stainless Steel

Muffler Type: Micropole Muffler

Valve System: Adjustable Exhaust Valve Control

Mounting Position: Rear

Installation Type: Direct-Fit Performance Upgrade

Manufacturing Origin: China

Performance Benefits

Improved Exhaust Flow

Optimized design reduces restriction and promotes smoother exhaust gas evacuation.

Enhanced Throttle Response

Improved airflow helps deliver faster engine response during acceleration.

Increased Power Potential

Supports horsepower and torque gains when paired with proper tuning and supporting modifications.

Customizable Exhaust Sound

Switch between quiet cruising and aggressive performance sound at any time.

Sportier Driving Experience

Produces a deeper and more engaging exhaust note for an enhanced driving feel.

Long-Term Durability

SUS304 stainless steel construction provides excellent resistance to corrosion, heat, and daily wear.

Ordering & Production

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

Wholesale Availability: Available for both retail and wholesale orders.

Required Vehicle Information:

• Vehicle model
• Model year
• Engine type (N55 or B58)
• Any rear diffuser, bumper, or exhaust-related modifications

Fitment Verification: Vehicle specifications will be reviewed before production to ensure proper compatibility and installation accuracy.

⚠️ Important Notes

Custom Product Notice: This exhaust system is manufactured according to vehicle specifications. Exhaust sound characteristics may vary depending on installation conditions, vehicle setup, and driving environment.

International Shipping Notice: Minor cosmetic imperfections or slight deformation caused during transportation do not affect product functionality or performance.

Professional Installation Recommended: Professional installation is strongly recommended to ensure optimal fitment, performance, and safety.

Order Confirmation: Please verify all vehicle information before production begins. Customized exhaust systems may not be eligible for cancellation or modification once manufacturing has started.