RM Downpipe Decat Audi A6, A7, Q5 3.0 BI-TDI

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.

Replaces the following OEM part numbers

4G0254800CX, 4G0254800DX.

Note: This product may disable emission control devices such as DPF / EGR / Adblue. Removing or modifying emission control devices is an unauthorized procedure that may cause issues during periodic inspections.

*The product is not ECE approved. For racing use only.

Pipe size – 63.5mm

Compatibility list:

Audi Q5 Van 3.0 SQ5 TDI quattro 8RB 2967 cc, 250 KW, 340 HP 2015/11-2017/05
Audi Q5 SQ5 TDI quattro 8RB 2967 cc, 250 KW, 340 HP 2015/11-2017/05
Audi Q5 SQ5 TDI quattro 8RB 2967 cc, 230 KW, 313 HP 2012/12-2015/11
Audi Q5 Van 3.0 SQ5 TDI quattro 8RB 2967 cc, 240 KW, 326 HP 2015/04-2017/05
Audi A7 Sportback 3.0 TDI quattro 4GA, 4GF 2967 cc, 240 KW, 326 HP 2014/09-2018/05
Audi A6 Avant 3.0 TDI quattro 4G5, 4GD 2967 cc, 240 KW, 326 HP 2014/09-2018/09
Audi A6 3.0 TDI quattro 4G2, 4GC 2967 cc, 240 KW, 326 HP 2014/09-2018/09
Audi Q5 SQ5 TDI quattro 8RB 2967 cc, 240 KW, 326 HP 2015/04-2017/05
Audi Q5 Van 3.0 SQ5 TDI quattro 8RB 2967 cc, 230 KW, 313 HP 2012/12-2015/05
Audi A6 Allroad 3.0 TDI quattro 4GH, 4GJ 2967 cc, 230 KW, 313 HP 2012/01-2014/12
Audi A7 Sportback 3.0 TDI quattro 4GA, 4GF 2967 cc, 230 KW, 313 HP 2011/11-2015/03
Audi A6 Avant 3.0 TDI quattro 4G5, 4GD 2967 cc, 230 KW, 313 HP 2011/11-2018/09
Audi A6 3.0 TDI quattro 4G2, 4GC 2967 cc, 230 KW, 313 HP 2011/11-2018/09

Downpipe models

DECAT / RACE - Straight-through model, without catalytic converter / DPF. Produces the strongest exhaust sound. Not approved for road use. For racing use only.

200CPI - Recommended model. Equipped with a suitable metallic catalytic converter. Filtration capacity is sufficient for emissions test requirements in most cars. 200CPI removes most exhaust odors. Check road legality according to your car's emission class.

200CPI ECE - Product approved for road use for specific models. With 200CPI catalytic converter. Meets emission test requirements for each model.

Why order from QT Parts?

Fast delivery - products often in stock

Secure purchase - We guarantee you will receive an undamaged and correct product

Technical support - We provide necessary installation tips and help in choosing the right product

Uncertain about choosing the right product? Ask, our customer service will be happy to help.