Downpipe with a sports catalyst from the HJS brand dedicated to BMW E-Series 135i/335i N55B30A Euro5.
This product is made of stainless steel and is perfectly matched to your vehicle.
By installing this downpipe, you can observe a noticeable increase in performance and improved throttle response.
The crucial importance of this product also lies in reducing exhaust temperatures and relieving the turbocharger.
