R44 BMW M3/M4 S58 200 Cell Sports Cat Downpipes (G80/G81/G82/G83)
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R44 BMW M3/M4 S58 200 Cell Sports Cat Downpipes is a very effective addition to your vehicle's exhaust setup, offering far less airflow restriction compared to the factory catalytic convertors. The R44 200 Cell sports downpipes are hand-crafted from billet 304-grade stainless steel with CNC precision-machined flanges. This upgrade reduces exhaust gas back pressure, resulting in quicker throttle-response and faster turbo-spool.
We previously offered a 300 Cell sports downpipe, however in response to popular demand and the aid of airflow, we have upgraded to a 200 Cell downpipe. These downpipes have undergone extensive testing over the summer to ensure they provide a substantial performance increase, whilst also offering exceptional durability under heavy use.
Sports downpipes are a fantastic alternative to catless downpipes as they offer a more refined exhaust tone, reduced exhaust emissions, as well as removing that potent fuel smell inside the cabin.
Please note: Running a sports-cat will not always prevent a check-engine light (CEL) as modern DME systems can detect slight changes in the reduction in catalyst cells. We cannot guarantee these downpipes will pass vehicle emissions tests.
We get a large number of custom orders and requests everyday, so as a result it is not always possible for us to keep every item in stock at all times in our warehouse. If you require the item urgently please contact our sales team here to check the stock before you make your purchase.
We totally understand if you're not certain a part will be compatible with your car, so we highly recommend contacting us here with your query. Our friendly sales team will then be in touch to confirm if this part is the correct part you are looking for.
All in stock products ship the same day if ordered before 2pm GMT
For out of stock items we will contact you with an estimated wait time if not otherwise specified above.
We offer worldwide shipping on all products. If upon receiving your product you wish to return; we offer a 30-day returns policy. For our in-depth returns information please follow the link. "R44 Returns Policy
All of our products come with a standard warranty of 1-3 years. This is dependant on the type of product however. For more details please see our warranty page here.