QT Parts is a Finnish online store.

Our warehouse is located in Nokia, Finland.

You can collect your order directly from us if needed. Simply select “Pickup” at checkout.

Pay securely with multiple payment methods, including invoice and installment plans through Klarna.

The delivery time for products in stock is 1-5 business days. We ship worldwide.

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. International orders may be subject to VAT, import duties, and customs fees upon arrival in the destination country.

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 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.

Mercedes-Benz CLS500 / CLS550 W218 Downpipes (2011–2018)

Upgrade your Mercedes-Benz CLS500 or CLS550 with high-quality performance downpipes designed to improve exhaust flow and reduce back pressure. The result is improved engine efficiency, enhanced turbo response, and a deeper, more aggressive V8 exhaust note.

Manufactured from premium T304 stainless steel, these downpipes are built to withstand high temperatures and demanding driving conditions. Precision TIG welding ensures exceptional strength, durability, and a perfect fit.

Features

• Fits Mercedes-Benz W218 / C218 CLS500 and CLS550 models (2011–2018)
• Designed for the M278 4.7L V8 Biturbo engine
• Manufactured from premium T304 stainless steel
• Precision TIG-welded construction
• Improves exhaust gas flow
• Reduces exhaust back pressure
• Supports increased horsepower and torque
• Lightweight and durable design
• Direct bolt-on installation with no permanent modifications
• Can be returned to the factory configuration if required

Available Options

200 CPSI Sport Catalytic Version

• Ideal for street-driven vehicles
• Improved exhaust flow compared to the factory system
• Sporty exhaust sound while maintaining everyday drivability

Catless / Race Version

• Maximum exhaust flow and performance
• Louder and more aggressive exhaust note
• Intended for off-road and motorsport use only

Important Information

The catless version removes the factory catalytic converters and may trigger a Check Engine Light (CEL). For optimal performance, it is recommended to use these downpipes together with an ECU calibration. Catless downpipes are intended for off-road and racing use only and may not comply with local emissions regulations.