Overview
The ARM Motorsports N20 Downpipe is the best hardware upgrade to get the most power from your 320i or 328i. The N20 has a stock downpipe with a catalyst that drastically restricts exhaust flow. This limits not only the amount of power N20 can make on the stock tune, but also prevents upgrading to a stage 2 tune due to excessive back-pressure. An N20 downpipe upgrade is the first hardware upgrade every N20 owner should invest in. Upgrading your downpipe unlocks the most power, increases turbo spool, allows you to run stage 2+ tuning, and improves the exhaust note of your N20 powered BMW.
Details
Highlights
- Gain up to 17whp/25wtq
- Faster Turbo Spool
- Improved Exhaust Note
- Upgrade to Stage 2+ Tuning
- SS304 Stainless Steel
Construction
- Mandrel bent SS304 stainless steel and backed by the ARM Motorsports Lifetime Warranty
- Two O2 sensor bungs to allow for reinstallation of the OEM oxygen sensors
- By reducing the back-pressure on your turbocharger, the ARM N20 Downpipe prepares your 320i / 328i for higher boost tunes
- Connects to any aftermarket exhaust that is compatible with the stock N20 downpipe
- All ARM Motorsports Products are backed by a 30 Day Guarantee and ARM Limited Lifetime Warranty
What's in the Box
- ARM N20 Downpipe
Warranty & Off-Road Use
Every ARM Motorsports product is backed by a lifetime warranty which is automatically issued at the time of purchase. Your warranty protects you against any defects in craftsmanship or fitment. The warranty entitles you to a replacement unit. This product is for Off-Road Use Only. Items sold for off-road use only are illegal to use on public roads in most states and provinces. This product is intended for racing vehicles which may never be used on a public road.
Fitment
| Make |
Chassis |
Model | Engine |
| BMW | F22 | 228i | N20 2.0L |
| BMW | F22 | 228i xDrive | N20 2.0L |
| BMW | F23 | 228i | N20 2.0L |
| BMW | F23 | 228i xDrive | N20 2.0L |
| BMW | F30 | 320i | N20 2.0L |
| BMW | F30 | 320i xDrive | N20 2.0L |
| BMW | F30 | 328i | N20 2.0L |
| BMW | F30 | 328i xDrive | N20 2.0L |
| BMW | F31 | 328i xDrive | N20 2.0L |
| BMW | F32 | 428i | N20 2.0L |
| BMW | F32 | 428i xDrive | N20 2.0L |
| BMW | F33 | 428i | N20 2.0L |
| BMW | F33 | 428i xDrive | N20 2.0L |
| BMW | F34 | 328i xDrive | N20 2.0L |
| BMW | F36 | 428i | N20 2.0L |
| BMW | F36 | 428i xDrive | N20 2.0L |
| BMW | F10 | 528i | N20 2.0L |
| BMW | F10 | 528i xDrive | N20 2.0L |
