CTS Turbo 3.5in High-Flow CAT BMW N55 (Pneumatic Wastegate)


CTS Turbo


Ships Direct from Manufacturer


The CTS Turbo high-flow cat for BMW N55 (Pneumatic Wastegate) is made to maximize exhaust flow for the highest power gains. Do not compromise performance and sound with factory parts - unleash your BMW's potential!Designed using the latest in CAD technology; this part is made to fit perfectly in place of your factory downpipe. Manufactured from T304 stainless steel, hand TIG welded and back purged to ensure years of reliable performance.Product Details: -Precisely designed and tested on a real car in the real world -T304 stainless steel, TIG welded back-purged construction -Replaces restrictive factory downpipe -Great power upgrade with uncompromising performance -Incredible sporty exhaust sound, subtle when cruising -No drone with factory exhaustTo remove the CEL that will occur, proper tuning software must be used. The use of a proper Bootmod3 software upgrade is strongly recommended. For OFF-ROAD use only.Application guideF30 BMW 335i & 335xi 2012 - 07/2013F20/F21 BMW M135i & M135xi 2012 - 07/2013135i or 335i with a production date after 07/2013 will need the 4in downpipe:  

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.

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