The DCE Parts N57 3.5 inch downpipe is 3.5 inch up to the bend after the flex pipe, enabling you to connect it to a stock catback, or if you’re making a custom 3.5 inch catback, you can cut it at that bend and connect to a custom exhaust from there. Optionally also 3.0 inch with DPF look available. 

DCE Parts - BMW N57 3.0D 3.0 Inch 76mm / 3.5 Inch 89mm Downpipe - 325D, 330D, 430D, 435D, 530D, 535D, 640D, 730D, 740D, X3, X4, X5, X6 30D 40D, suitable for BMW with N57 Engine. 

• BMW 3-Serie E90 SEDAN N57 325D, 330D 
• BMW 3-Serie E91 TOURING N57 325D, 330D
• BMW 3-Serie E92 COUPE N57 325D, 330D
• BMW 3-Serie E93 CABRIO N57 325D, 330D
• BMW 3-Serie F30 SEDAN N57 330D, 335D
• BMW 3-Serie F31 TOURING N57 330D, 335D
• BMW 3-Serie F34 GRAN TURISMO N57 330D, 335D
• BMW 4-Serie F32 COUPE N57 430D, 435D
• BMW 4-Serie F33 CABRIO N57 430D, 435D
• BMW 4-Serie F36 GRAN COUPE N57 430D, 435
• BMW 5-Serie F07 525D, 530D, 535D
• BMW 5-Serie F10 525D, 530D, 535D
• BMW 5-Serie F11 525D, 530D, 535D
• BMW 6-Serie F06 640D
• BMW 6-Serie F12 640D
• BMW 6-Serie F13 640D
• BMW 7-Serie F01 730D, 740D
• BMW 7-Serie F02 730D, 740D
• BMW X3 F25 30D
• BMW X4 F26 30D, 35D
• BMW X5 E70 30D, 40D
• BMW X5 F15 30D, 40D
• BMW X6 E71 30D, 40D
• BMW X6 F16 30D, 40D

Also suitable for vehicles equipped with xDrive

Suitable for vehicles with 204, 245, 258, 299 and 313 HP

OE Numbers:

• 18308511146
• 18308511147
• 18308512692
• 18308512710
• 18308513526
• 18307805780
• 18307807135
• 18307807153
• 18307823488
• 18308510429
• 18308511143
• 18308517451
• 18308517726
• 18308571006
• 18308571009
• 18308571010
• 18308571022
• 18308571023
• 18308576331
• 18308513527
• 18308513528
• 18308513529
• 18308515653
• 18308516088
• 18308516089
• 18308517208
• 18308517450

Please note: This downpipe is only suitable for Euro 5 3.0 N57 Diesel Engines without Ad-Blue. Please double check before ordering!

Please note: The downpipe outlet connection connects to the OEM downpipe, the front of the downpipe is 3 or 3.5 inch.

Through the placement of a bigger downpipe the turbo spools up quicker due to a lower back pressure. The turbo starts to build up pressure at lower speeds. It also manages to build it pressure quicker after gear changes. The installation of the downpipe alone usually provides 15 HP and 25Nm extra. By removing the diesel particle filter, you will enhance the sound of your vehicle as well. 

For proper operation and optimal power output, the vehicle will need remapping of the ECU to accommodate the catless downpipe. This product is not suitable for road use. Contact us for more information.

Sound Clip of BMW E90 330D N57 with DCE Parts N57 Catless Catlook 3.0 Inch Downpipe with Straight Catback

Note:

Certain products, such as exhaust components or tuning software, may alter or remove emissions systems. These parts are intended for off-road or motorsport use only and may not be legal for road use in your country. It is the buyer’s responsibility to ensure compliance with all local laws and regulations. Use at your own risk. These products are intended for off-road, race, or competition use only, and are not legal for use on public roads or vehicles registered for street use in the United States. It is the customer’s responsibility to ensure compliance with all local, state, and federal laws. Installation or use of these products on pollution-controlled vehicles may violate the U.S. Clean Air Act and could result in significant fines or penalties.