2011 BMW 325i 2.5L Valved Cat-Back Exhaust Single Muffler | Single Valve | Swallowtail Quad Exit | M3 Rear Bumper Compatible

Original price was: $1,499.00.Current price is: $1,299.00.

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Car Model

Color

Material
304 Stainless Steel
Size
1.5mm
Exhaust tips

Clear selection

SKU: 2010-2016 BMW X6 3.0T E71-Catback-1 Categories: BMW Series, Products

Warranty service:3 years

Production cycle:10-15DAYS

Video
Overview
Spec
Detail
Review
FAQ

Overview

Valved Cat-Back Exhaust System

For 2011 BMW 325i E90

Single Muffler | Single Valve | Swallowtail Quad Exit | M3 Rear Bumper Compatible

Sportier Sound. Aggressive Rear Look.

Upgrade your BMW 325i with this valved cat-back exhaust system, designed to enhance exhaust tone while maintaining comfortable daily drivability. The single electronic valve lets you control the sound — quieter for daily cruising or deeper and more aggressive when opened.

The swallowtail quad exit design pairs perfectly with M3-style rear bumpers, giving the E90 a more performance-focused rear appearance.

DETAIL

🔥 Key Features

Single Electronic Valve
Switch between refined cruising and a stronger performance tone.

High-Flow Single Muffler
Balanced sound with improved exhaust flow and minimal cabin drone.

Swallowtail Quad Exit
Distinctive quad tips that deliver a sporty, aggressive rear look.

M3 Rear Bumper Compatible
Designed to integrate cleanly with M3-style rear bumpers or diffusers.

Performance-Tuned Piping
Optimized exhaust routing improves flow and enhances throttle response.

Premium Stainless Steel Construction
Durable and corrosion-resistant for long-term reliability.

Direct Bolt-On Installation
Precision-engineered for the E90 chassis — no cutting or welding required.

spec

Fitment:	2011 BMW 325i E90 2.5L
System Type:	Cat-Back Exhaust
Valve System:	Single Electronic Valve
Muffler Setup:	Single Muffler
Exit Style:	Swallowtail Quad Tips
M3 Rear Bumper:	Compatible
Material:	Stainless Steel
Installation:	Direct Bolt-On
Warranty:	3 Years

VIDEO

We are a 15-year-old factory specializing in manufacturing high-quality automobile exhaust systems and accessories. Our product range includes exhaust manifolds, downpipes, cat-back exhausts, mufflers, electronic valves, exhaust tips, and other auto parts.

Why Choose Our Exhaust Systems?

☆ Perfect Fit: Manufactured according to the original car’s mounting holes, ensuring 100% installation compatibility.
☆ Experience & Expertise: With over 13 years in exhaust production and sales, we have molds for the most popular models, widely praised by our customers.
☆ Advanced Mufflers: Our factory-developed mufflers provide a silencing effect close to the original exhaust, delivering a comfortable driving experience.
☆ Electronic Valve Control: Equipped with our latest electronically controlled valves, allowing you to adjust the exhaust sound freely.
☆ Reliable Production & Delivery: Independently produced in our factory, with 100% order fulfillment and guaranteed delivery times.
☆ Customized Services: We offer tailored exhaust solutions for various car models according to your needs.

Our Expertise

For 15 years, we have specialized in manufacturing, producing, and selling automobile exhaust systems, with thousands of original exhaust models in our database. Our coverage includes brands such as:

If you have a specific model and custom requirements, click here to inquire and contact us. We will provide professional solutions tailored to your vehicle.

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faq

What vehicles is this catback exhaust system compatible with?

This catback exhaust system is specifically designed for BMW M340i (G20 chassis, 2019+) and BMW M440i (G22 chassis, 2021+) models equipped with the 3.0T B58 engine. It is not compatible with non-M340i/M440i 3 Series (G20) or 4 Series (G22) variants, or models with different engine configurations.
What does “catback” mean, and how is it different from other exhaust systems?

This catback exhaust system is specifically designed for BMW M340i (G20 chassis, 2019+) and BMW M440i (G22 chassis, 2021+) models equipped with the 3.0T B58 engine. It is not compatible with non-M340i/M440i 3 Series (G20) or 4 Series (G22) variants, or models with different engine configurations.
What performance benefits will I gain from installing this catback exhaust?

This catback exhaust system is specifically designed for BMW M340i (G20 chassis, 2019+) and BMW M440i (G22 chassis, 2021+) models equipped with the 3.0T B58 engine. It is not compatible with non-M340i/M440i 3 Series (G20) or 4 Series (G22) variants, or models with different engine configurations.
Is this exhaust system street-legal? Does it comply with emissions laws?

This catback exhaust system is specifically designed for BMW M340i (G20 chassis, 2019+) and BMW M440i (G22 chassis, 2021+) models equipped with the 3.0T B58 engine. It is not compatible with non-M340i/M440i 3 Series (G20) or 4 Series (G22) variants, or models with different engine configurations.
Can I install this exhaust myself, or do I need a professional?

This catback exhaust system is specifically designed for BMW M340i (G20 chassis, 2019+) and BMW M440i (G22 chassis, 2021+) models equipped with the 3.0T B58 engine. It is not compatible with non-M340i/M440i 3 Series (G20) or 4 Series (G22) variants, or models with different engine configurations.