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Fabspeed Porsche E3 Cayenne S 2.9L Turbo / Turbo S Primary Sport Catalytic Converters

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Fabspeed Porsche E3 Cayenne S 2.9L Turbo / Turbo S Primary Sport Catalytic Converters


Why We Choose HJS Catalytic Converters: 

HJS German imported catalytic converters are made from some of the highest grade materials you can find in a catalytic converter. This yields high performance gains and longevity so it wont deteriorate over time like lower grade catalytic converters. These catalytic converters flow up to 93-95% of a straight pipe in most applications. The benefit is that you get the "straight pipe sound" while still being able to provide enough emissions scrubbing to prevent a check engine light.    If you'd like to learn more, watch our video about HJS catalytic converters.

Direct replacement/upgrade for the stock OEM ceramic restrictive catalytic converters, bolt-on Ultra High Flow HJS catalytic converters.                                                                    


  • Fits all Porsche E3 Cayenne S 2.9L Twin Turbo vehicles (2019+)
    • Direct simple replacement bolt-on Ultra high flow catalytic converters for the stock OEM ceramic restrictive catalytic converters. The stock catalytic converters are 12” 307mm long and 700 cell ceramic based that is highly restrictive. Saves 5 pounds and 2.3Kilos versus stock.  
    • Extra extra large HJS German EURO 6 imported 200 CPSI catalytic converters that FLOW the equivalent of 92% to 93% of a straight pipe.
    • 100 % guaranteed NO Check Engine Light.
    • NOT EPA nor CARB approved. 
    • Only buy these if your OEM catalytic converters are damaged, removed or missing when you bought your car. 
    • Catalytic converters come equipped with 321L stainless steel heat shielding included
    • CNC Machined precision billet stainless steel inlet flanges for maximum flow and precise sealing.
    • HJS German catalytic converters are the 1 and ONLY catalytic converters that should go on performance cars like this. Accept no cheap substitutes and don’t put primary cat bypass pipes on any car like this as you will LOSE power.

DISCLAIMER: This product removes the OEM catalytic converters from the vehicle, and as such, is strictly intended for closed track events and off-road use only. This product contains a High-Flow Sport Catalytic Converter solely intended for track and race cars as it is NOT California Air Resources Board Certified and not EPA certified. You are hereby informed and warned to check your local, state, and federals laws before buying and installing these or any aftermarket parts to be sure whether usage is in violation. All installation-risk and use-risk is borne by the end-user and installer of these parts.

Cavest Emptor_ These parts are no EPA complaint and should never ever be installed to replace the OEM factory catalytic converter. 

Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.


We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.

Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.