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Real experience
We test before we recommend.
PRODUCT DESCRIPTION
Downpipe Mercedes-AMG A35 GPF W177 4MATIC with heat shield and catalysts
Engine 306 HP 4MATIC W177 2.0T 2019-
Pipe diameter: 76 mm. Particle filter removal (GPF OFF): exhaust element that removes the particle filter (for installation, cut the original element 41 cm from the base of the bracket).
Below you can select the version with catalyst and the version with or without particle filter removal (GPF OFF).
This product is not approved and cannot be used on public roads in the EU.
Downpipe Mercedes-AMG A35 GPF W177 4MATIC with heat shield and catalysts
Available options:
PROM.812108C/E6: Downpipe kit with starter pipe and HJS catalyst no. 90603394, compliant with EURO 6 emission regulations with 200 cpsi capacity.
PROM.812108C/MS - Downpipe set with starter pipe and HJS catalyst no. 90603154 for FIA approved competition with 100 cpsi capacity.
PROM.812108C/OBD - Downpipe kit with starter pipe and HJS catalyst no. 90603494 that complies with emission regulations for the OBD function with 200 cpsi capacity.
PROM.812108E6+812109 - Downpipe kit with GPF off starter pipe and HJS catalyst no. 90603394 that complies with EURO 6 emission regulations with 200 cpsi capacity.
PROM.812108MS+812109 - Downpipe set with GPF off starter pipe and HJS catalyst no. 90603154 for FIA approved competition with 100 cpsi capacity.
PROM.812108OBD+812109 - Downpipe set with starter pipe and HJS catalytic converter no. 90603494, which complies with emission regulations for the OBD function with a capacity of 200 cpsi.
It has the following connections:
Two M18x1.5 lambda sensor ports
Two sleeves for vacuum measurement
Temperature sensor
Reinforced mounting for greater structural rigidity
The downpipe is made entirely of acid-resistant steel (T304, X5CrNi18-10, 1.4301, AISI 304, 0H18N9). Each component of the product is manufactured using CNC technology. The product has a 24-month warranty.










WHY THETUNERLAB
We have spent years building cars, racing, and testing the exact same parts that we sell.
01
We test before we recommend.
02
We help you choose the right part.
03
Only trusted manufacturers.
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Before and after the purchase.
+10 years
of passion for drifting
+30.000
available products
+5.000
satisfied customers
24/7
passion for motoring
Each product indicates compatible models in the product description. If you have any questions, you can contact us and we will help you choose your best option.
-If the product is in stock, the usual delivery time is 2 to 5 working days.
-If the product is out of stock, the delivery time is 7 to 15 working days.
All our products come with the manufacturer's official warranty and comply with current regulations.
Yes. We ship orders to Spain and most European countries using specialized transport agencies.
You can contact our team via WhatsApp, email, or our website's contact form.
Shipping costs depend on the type of product, its weight, dimensions, and the destination country. In most cases, the amount is calculated automatically during the checkout process before the order is finalized.
For some products, especially large items or those with special characteristics, shipping costs may require a manual review. If the amount shown does not match the actual shipping cost, we will contact you before processing the order to inform you of the final cost and request your confirmation before proceeding. We will never charge any additional fees without your authorization.