Description

Nitrous Down Tube Adapter – Blow-Off Adapter – 8 AN – Diffuser Cap – Aluminum / Stainless – Blue Anodized – Kit

Why Choose Us?



Frequently Asked Questions​

As an Authorized Automotive Retailer in the United States, we take pride in guaranteeing 100% authentic products from all brands available on our website. With partnerships spanning 1,000+ brands and a network of 20+ distributor warehouses nationwide, we maintain millions of auto parts in inventory across the USA, ensuring quick shipping and reliable service to our customers. When you shop with us, you're investing in quality and trust.
We believe we have the fastest backorder system in the U.S. auto parts industry, thanks to our strong partnerships with brands and vendors. Nearly all backordered auto parts are shipped directly by the vendors without any additional delays, or they are placed as special orders on the same day. In most cases, backordered parts are delivered within 5-10 days.
We offer unbeatable prices and the best shipping rates on auto parts, with exclusive protection and insurance included to safeguard your order from damage or loss. Enjoy convenient door-to-door delivery, real-time tracking, and our 100% satisfaction guarantee for a smooth, worry-free experience.
Our standard shipping typically takes 1-3 business days. We will provide estimated shipping time for each product. While we aim to deliver as quickly as possible, this timeframe ensures all orders are processed, prepared, and dispatched with care. If the products are not ready for shipping in 72 hours, we will refund you 100%
Absolutely. Once your order is dispatched, you’ll receive an email with tracking details, so you can follow your shipment every step of the way. Every step of shipping process will be sent through email notifications or using tracking page.
Every product page includes a stock level indicator to show what’s available. We always update the inventory 24/24. We’ll be happy to check availability and provide updates on new stock arrivals if you need a help.
We’re sorry to hear that your order wasn’t delivered in perfect condition. Please email us with your order number, a description of the issue, and photographs of the damaged item. Once we receive this information, we’ll arrange for a replacement or refund and handle the return process.
You can return items within 30 days of receipt. Ensure the product is new in its original packaging and securely wrapped for safe transit. Once we receive the item in sellable condition, we’ll issue a full refund for the product value. Contact us for the return address and further instructions.

Global Shipping Estimates (Ships from USA)

Destination Region Est. Delivery Time Estimated Cost
🇨🇦 Canada 5 - 7 Days
DHL UPS USPS FedEx
From $50.00 USD
🇪🇺 European Countries 5 - 7 Days
DHL UPS USPS FedEx
From $70.00 USD
🇦🇺 Australia 5 - 7 Days
DHL UPS USPS FedEx
From $110.00 USD
🇦🇪 United Arab Emirates 5 - 7 Days
DHL UPS USPS FedEx
From $100.00 USD
🇸🇦 Saudi Arabia 5 - 7 Days
DHL UPS USPS FedEx
From $100.00 USD
🇯🇵 Asia Countries 5 - 7 Days
DHL UPS USPS FedEx
From $130.00 USD
*Note: These are estimated costs for a standard package. Exact shipping fees will be calculated at checkout using live rates based on your specific location and cart weight.

About NITROUS OXIDE SYSTEMS

Nitrous Oxide Systems pioneered out-of-the-box, bolt-on nitrous systems. Offering carbureted, EFI, and direct port kits, NOS has kits to fit virtually any application.

Reviews

There are no reviews yet.

Be the first to review “NITROUS OXIDE SYSTEMS Safety Blow-Off Cap w/Diffuser 16169NOS”

Your email address will not be published. Required fields are marked *

Recently viewed products

  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    NITROUS OXIDE SYSTEMS Adjustable Pressure Switch – 50psi 15685NOS

    SKU: NOS15685
    Product information
    • Weight0.18 lbs
    • Dimensions4.15 × 3.2 × 1.55 in
    • Quantity

      Each

    • Intended Application

      Fuel Pressure

    • Activation Method

      Pressure

    • On/Off/Momentary

      Momentary

    • Terminal Style

      Screw

    Details...
    Original price was: $126.00.Current price is: $113.95.Add to cart
    Original price was: $126.00.Current price is: $113.95.
    Quantity Only 2 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    MSD IGNITION Pro Mag Small Cap & Rotor Kit 7919

    SKU: MSD7919
    Product information
    • Weight0.953 lbs
    • Dimensions6.1 × 5.5 × 5.4 in
    • Product Line

      Pro Mag

    • Material

      Plastic

    • Color

      Red

    • Finish

      Natural

    • Quantity

      Kit

    Details...
    Original price was: $149.00.Current price is: $134.95.Add to cart
    Original price was: $149.00.Current price is: $134.95.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    MSD IGNITION Street Fire Spark Plug Wire Set 5554

    SKU: MSD5554
    Product information
    • Weight2 lbs
    • Dimensions10.2 × 7.1 × 3.5 in
    • Product Line

      Street Fire

    • Assembled

      Yes

    • Rfi Supression

      Yes

    • Conductor Style

      Spiral Core

    • Distributor Terminal End Type

      HEI

    Details...
    Original price was: $70.00.Current price is: $62.99.Add to cart
    Original price was: $70.00.Current price is: $62.99.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    RACEPAK Module Axis G-Meter 220-VP-GM2AXIS

    SKU: RPK220-VP-GM2AXIS
    Product information
    Details...
    Original price was: $372.00.Current price is: $337.95.Add to cart
    Original price was: $372.00.Current price is: $337.95.
    Quantity Only 1 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    LOKAR LT4 Throttle Cable And Kickdown Bracket TCB-40LT4

    SKU: LOKTCB-40LT4
    Product information
    • Weight0.22 lbs
    • Dimensions7.6 × 5.8 × 1.2 in
    • Quantity

      Kit

    • Mounting Location

      Intake Manifold

    • Mounting Style

      Bolt on

    • Cable End Style

      Lokar Cable

    • Kickdown

      Yes

    Details...
    Original price was: $116.55.Current price is: $105.95.Add to cart
    Original price was: $116.55.Current price is: $105.95.
    Quantity Only 1 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    SCS GEARS Quick Change Gear Set 5-PRO

    SKU: SCS05
    Product information
    • Weight5.35 lbs
    • Dimensions5.6 × 5.3 × 3.3 in
    • Material

      Steel

    • Color

      Black

    • Finish

      Oxide

    • Quantity

      Pair

    • Variant

      Yes

    Details...
    Original price was: $234.40.Current price is: $213.09.Add to cart
    Original price was: $234.40.Current price is: $213.09.
    Quantity Only 1 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    SEALED POWER Cast Piston 285AP30

    SKU: SEA285AP30
    Product information
    • Weight14.8 lbs
    • Dimensions18.4 × 9.4 × 4.5 in
    • Quantity

      Set of 8

    • Finish

      Natural

    • Material

      Aluminum

    • Product Line

      Vintage

    • Bore

      3.940 in

    Details...
    Original price was: $171.38.Current price is: $155.80.Add to cart
    Original price was: $171.38.Current price is: $155.80.
    Quantity Only 2 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    HUSKY LINERS Front Floor Liners 18431

    SKU: HSK18431
    Product information
    • Weight7.43 lbs
    • Dimensions33 × 23 × 4 in
    • Product Line

      WeatherBeater

    • Application Specific

      Yes

    • Textured

      Lines

    • Material

      Plastic

    • Color

      Black

    Details...
    Original price was: $99.00.Current price is: $89.99.Add to cart
    Original price was: $99.00.Current price is: $89.99.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    HOOKER SBC Motor Mount Inserts Black Polyurethane 71221014HKR

    SKU: HKR71221014
    Product information
    • Weight1.68 lbs
    • Dimensions5.2 × 3.95 × 2.75 in
    • Quantity

      Each

    • Bushing Material

      Polyurethane

    • Bushing Color

      Black

    • Bushing Finish

      Natural

    • UPC Code

      90127011539

    Details...
    Original price was: $35.00.Current price is: $31.45.Add to cart
    Original price was: $35.00.Current price is: $31.45.
    Quantity Only 5 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    FiTECH FUEL INJECTION Data Cable - 9ft For New Handheld Contr. 62014
    Add to wishlist

    FiTECH FUEL INJECTION Data Cable – 9ft For New Handheld Contr. 62014

    SKU: FIT62014
    Product information
    • Weight0.12 lbs
    • Dimensions7.75 × 2.4 × 1.2 in
    • Color

      Black

    • Finish

      Rubber Coated

    • Quantity

      Kit

    • Cable 1 End 1 Connector

      Type-C Plug

    • Cable 1 End 1 Male / Female

      Male

    Details...
    Original price was: $59.40.Current price is: $54.00.Add to cart
    Original price was: $59.40.Current price is: $54.00.Add to wishlist

    22