dÄHLer Double Valve Exhaust - BMW M340i G20, G21

The delivery time for products in stock is 1-3 business days.

If the product is not in stock and it is a pre order product, the average delivery time is 5-21 business days. If the product has a longer delivery time than previously announced, we will be in touch.

Terms for product returns:

• You must return the ordered products within 14 days of receiving
• The products must be unused and without damages
• Commission fee for handling returns is 21,90€
• For product returns, the customer is in charge of the return costs. Only door to door service (Express)
• Shipping costs are not refunded

For international orders (outside of Europe) sales are final and non-refundable. Once an order is placed, it cannot be canceled or returned. By placing an order, you acknowledge and agree to these terms.

Return address: QT Parts, Vasarakatu 8B, 37150 Nokia, Finland.

Pre order / made-to-order products

If the product you have ordered is a pre order or made-to-order item, it is not subject to the 14-day right of withdrawal or return under consumer protection laws, as the product is manufactured or sourced specifically based on the customer’s individual order.

If you wish to cancel your order before receiving the product, we will refund 50% of the total order amount.

This condition applies to the following product categories:

• Suspension
• Engine Tuning
• Engine Parts
• Exhaust Systems
• Fueling
• Turbochargers/superchargers
• Drivetrain
• ECE-approved Downpipes

All of the above products are manufactured or sourced individually based on the customer’s order, and therefore cannot be returned after delivery, unless the product has a manufacturing or material defect.

In the event of such a defect, the standard liability for defects as provided by consumer protection legislation shall apply.

BMW M340i dAHLer Performance Exhaust – Double Valve Exhaust System

An addition to our exceptional performance upgrades for your BMW M340i xDrive or RWD Sedan and Touring G21 is the dAHLer performance exhaust system, taking it to the next level.

You're looking for a high-quality German-made stainless steel performance exhaust system with exhaust flap for your BMW M340i xDrive or RWD?

All dAHLer performance exhaust systems for BMW and BMW cars are handcrafted from high quality 1.4301 stainless steel and are Made in Germany by a team of Specialists at an ISO 9001:2015 certified facility.

A dAHLer performance exhaust system for the BMW M340i xDrive Sedan and Touring G21 comes with a high-performance muffler(s) and exhaust flap with no drone on the highway of a much more aggressive sound then the stock muffler but still be perfectly livable for daily driving.

No check engine lights, no re-programming of your car or anything silly is required after installation. The dAHLer exhaust system for the BMW M340i fits left and right hand drive models as well as cars with and without OPF.

Approved and tested by the German TUV this system comes with a European Homologation according to the latest emission standards and is EPA compliant (USA).

We also offer high performance front resonators, replacement pipes, x-pipes or mid pipes which can go in conjunction with our performance exhaust systems for BMW and BMW M cars. This is the most aggressive sounding performance exhaust system that dAHLer offers. What that basically means is this muffler specifically designed on the engineer BMW vehicle to have that aggressive sound, yet still provide no drone at highway speeds.

The dAHLer performance exhaust system for BMW and BMW M cars includes a high-flow, valve controlled, stainless-steel performance muffler, and is available as an axle-back or cat-back system!

Our performance exhaust system for the BMW M340i xDrive is here to improve your driving experience with an awesome sound and a noticeable bump in performance.

Under normal driving conditions, our valve-controlled performance muffler(s) stays closed, and the dAHLer performance exhaust system for BMW and BMW M cars is quite unassuming and nobody will really even suspect your car even has an Aftermarket performance exhaust system or muffler. But, when you open up the throttle, the valve-controlled system opens up the exhaust flap, and our performance exhaust system gives your BMW car a menacing growl.

For those who want to be fully in command of the exhaust sound at any time and get the race car like feeling, dAHLer offers an exhaust flap remote-controlled device.

Cat-Back Exhaust System:

High-quality German-
made stainless steel
performance exhaust
system with 2 exhausts
flaps.

Comes with 2 black matte
double round exhaust
tips left and right
(4 in total),
Ø of 90 mm each

1 additional exhaust flap
and special wiring included
in delivery

Double valve-controlled,
right / left with no drone
on the highway of a lot
more aggressive sound
then the stock muffler
but still be perfect
livable for daily driving.

Works with original valve
control of the vehicle!
Use of the stock actuator
drive/exhaust flap system

Necessary mounting
hardware included

Optional available is our
exhaust flap control system
(works via remote)

Other Information:
Comes with European
Homologation ECC