aFe POWER 400 CPSI Catted Down-Pipe, BMW 328i/428i (F30/F32) N20
If you are looking for the additional performance of a high flow downpipe, but also don't want the bad odour or fall foul of emissions law, then this aFe Power Downpipe is for you.
Still utilising a 400 CPSI high flow catalytic converter, build in twisted steel this is a high quality product for upgrading your BMW ready for Stage 2 tuning.
aFe down-pipes are engineered and manufactured in their Corona, California manufacturing facility.
Tested on aFe's in house dyno this down-pipe produced a max gain of +13 horsepower and +39 nm of torque
Features:
- Direct Factory Fit for secure leak free fitment
- Utilizes 400 CPSI (cell per square inch) catalytic converter for maximum flow
- Constructed of 4" mandrel bent, brushed finish 304 stainless steel tubing
- Machined factory style flanges are used for a secure leak-free seal
- 100% hand TIG-Welded by certified craftsmen for race proven strength and durability
Also Fits:
- 2014-2016 BMW 128i/ix (F20/F21) L4-2.0L (turbo) N20
- 2014-2016 BMW 228i/ix/220i (F22/F23) 14-16 L4-2.0L (turbo) N20
- 2013-2016 BMW 320i/ix (F30/F31/F34) L4-2.0L (turbo) N20
- 2012-2016 BMW 328ix (F30) L4-2.0L (turbo) N20
- 2013-2016 BMW 328i/ix (F31/F34) L4-2.0L (turbo) N20
- 2014-2016 BMW 420i/ix (F32/F33) L4-2.0L (turbo) N20
- 2014-2016 BMW 428i/ix (F32/F33/F36) L4-2.0L (turbo) N20
48-36303-HC
Domestic Shipping
Free Standard Shipping around Australia for items under 20kgs
For all other shipping please see our flat rate guide below
- Standard Australian Shipping (under 20kgs) - Free
- Express Shipping (under 20kgs) - $29
- Standard Large Item Shipping (over 20kgs) - $20
- Express Large Item Shipping (over 20kgs) - $99
-
Outback Exhaust Systems - Free Shipping to NSW, VIC, QLD and ACT Business Addresses or Freight Depots. Private residences incur a surcharge. WA, NT and TAS $59 to Business Addresses or Freight Depots
Please note - some of the products are drop shipped directly from overseas warehouses and these may take additional time to be processed, they still qualify for free standard shipping to Australian addresses. We'll let you know if there will be any unforeseen delays as soon as possible.
*An example of a large item that would not qualify for free shipping would be our Coilover kits or Cat Back Exhaust Systems.
Australian Expected Shipping Times
- Standard Shipping: 7 - 14 business days
- Express Shipping: 3 - 7 business days
COVID-19 Update: Shipping times are being affected and while deliverys are being made they are not within the normal expected timeframes and in some cases products are placed on backorder without notice. This is across the board and is affecting Aus Post, Courier and DHL / Fedex Express Services. We apologise for any inconvenience this may cause but it is out of our control and is affecting the whole supply chain process.
If you require a part faster than the above times, please contact us for an expedited shipping quote.
We also offer flat rate international shipping
- Standard International Shipping (under 20kgs) - $30
- Large Item International Shipping (over 20kgs) - $49
Any other freight or shipping queries, please contact us directly on sales@flashtuned.com

Please find below links to commonly asked questions regarding our service and store. If you can't find what you're looking for then we encourage you to email us with your question or enquiry and we will be happy to help where we can. Thanks again for shopping at flashtuned.com
Our Privacy Policy
Our Returns Policy
Our Terms of Service
Email us