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ARM Motorsports N20 Catless Downpipe BMW 228/328/428/528

ARM Motorsports N20 Catless Downpipe BMW 228/328/428/528

TruCrane Motorsports

N20DP



Regular price $217.00
Sale price $217.00 Regular price $227.00

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  • Genuine Parts
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See photo on how to confirm N20 or N26

HIGHLIGHTS

Gain up to 17whp/25wtq
Faster Turbo Spool
Improved Exhaust Note
Upgrade to Stage 2+ Tuning
SS304 Stainless Steel

PROFILE

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.

CONSTRUCTION

The ARM N20 Catless Downpipe is built with mandrel bent SS304 stainless steel and backed by the ARM Motorsports Lifetime Warranty.  The ARM N20 Downpipe starts with a 4"" diameter at the precision CNC machined turbo v-band connection and gradually reduces to a 2.5"" diameter to optimize exhaust flow while matching up to the stock mid-pipe. The ARM N20 Downpipe also features two mounting points to reduce tension on the turbo from shifting and twisting during aggressive driving. 

The ARM N20 Downpipe features two O2 sensor bungs to allow for reinstallation of the OEM oxygen sensors.  An tune or CEL Delete will be required to avoid a check engine light from displaying on instrument panel.

 By reducing the back-pressure on your turbocharger, the ARM N20 Downpipe prepares your 320i / 328i for higher boost tunes. Testing on our 328i with only a Stage 1 tune yielded a very respectable 17whp and 25wtq gain.  While switching to a Stage 2 tune gave it an additional 13whp and 12wtq, a total gain of 30whp and 38wtq over Stage 1 alone.

In addition to helping your N20 make more power and torque, it also opens up the otherwise tame exhaust note. If you're running a stock midpipe and catback section you'll notice a substantial increase in volume under full throttle and a moderate increase in sound during part throttle. Coupled with a midpipe or full exhaust your N20 can sound quite impressive. The ARM N20 Downpipe 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.

IN THE BOX

ARM N20 Downpipe

FITMENT GUIDE

Some models will require the stock midpipe to be expanded a few millimeters to accommodate the upgraded downpipe.

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

ARM MOTORSPORTS LIFETIME WARRANTY

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

  • BMW

Warranty

Terms and Conditions of TCM Products that state Lifetime Warranty on their product page. These products have a lifetime warranty against manufacture defects.

This covers things like cracks, and weld failures. 

The warranty also does not cover:

- wear items, such as replacing a filter due to age.

- It does not cover dents, scratches, or holes from road debris.

- Improper install; rubbing against something or other issues from faulty installation. 

- finishes, so if the finish wears, fades or chips off over time.

- catalytic converter blow out or damaged due to burbles/pop and crackle tunes.

 

If your item arrives damaged, please email us immediately along with photos of the product, damage and the shipping box. 

Returns

You must reach out to us directly for all returns. If the product is unused and uninstalled, we can offer you a refund, or exchange. Returns must be initiated within 30 days(TCM Products have 60 days) of the product being ordered. Once the return has been approved, it is up to you to pack and return the product to the address provided. Return shipping costs are the buyers responsibility. Returns are subject to a 20% restocking fee. Items must be in like new condition.

Fuel items: we cannot accept returns on used fuel systems. This includes, HPFP & LPFP fuel pumps, port injection rails and ethanol analyzer kits.

Please note special order items or items that are built to order, once the item is in production the order cannot be cancelled or returned. Some examples of these products are Clutch Kits, Turbo charger kits, any ApexBuilt Product. If you are unsure if your product would be a special order item, please reach out to us. Contact US 

TruCrane Motorsports(TruCrane Motorsports LLC) is not responsible for any products lost or damaged during the return shipping process.

Cancellations

Cancellations on orders of $1000 paid for using Shopify Pay Installments/Affirm are subject to a 3% cancelation fee. This is due to the large order processing fee associated with these sort of payments. TruCrane Motorsports, will cover the additional fees. 

Cancellations on orders over $2000 paid for using Shop Pay, Credit Card, or PayPal are subject to a 2% cancelation fee. 


Any purchase on our website constitutes acceptance of these conditions.

Shipping

Some items will ship directly from the manufacturer or distributor. We will process your order as soon as we can, to ensure minimal delay. Please note that sometimes our inventory system may show an item in stock, while the item is out of stock with the manufacturer or distributor. Should this happen, we'll contact the manufacturer to get a best estimate of when the item will ship out and reach out to you regarding next steps. 

Please note that if the item is dropped shipped, the manufacturer may change the shipping carrier beyond our control. We will do our best to ensure you receive the same carrier and shipping time as purchased through us.

For international orders the buyer is responsible for any import duties or tariffs. This includes items shipped from abroad to you, such as KW, PTB

 Items that show delivery status as "Delivered" that are Lost or Stolen Are Customers Responsibility.

ARM Motorsports N20 Catless Downpipe BMW 228/328/428/528

$217.00

TruCrane Motorsports

We are a specialty parts provider and performance shop based out of the Washington, DC area. We have been heavily involved in the car scene of DC, Maryland, & Virginia for well over a decade, including working with the SCCA, and multiple local car clubs and our local racetracks. TruCrane Motorsports specializes in aftermarket support for BMWs but we offer services for all cars. 

At TruCrane Motorsports you'll find a level of customer service and support, beyond that of any other shop.

We have grown from selling parts and performing installations and maintenance, to also providing our own product line, TCM. TCM is the shop brand for TruCrane Motorsports. We took the same principles of our shop and applied them to our brand. That is why all TCM products have a fitment guarantee and lifetime warranty. We offer competitive pricing, to ensure you're not overpaying for a part.

We strive to provide quality products at a cost effective price.