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.

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

    PEM Premium Quick Change Gears 65009

    SKU: PEM65009
    Product information
    • Weight5.2 lbs
    • Dimensions8.4 × 4.9 × 1.7 in
    • Product Line

      Premium

    • Spline

      10

    • Set Number

      9

    • Gear 1 Tooth Count

      19

    • Gear 2 Tooth Count

      23

    Details...
    Original price was: $176.21.Current price is: $160.19.Add to cart
    Original price was: $176.21.Current price is: $160.19.
    Quantity Only 7 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    QUICK FUEL TECHNOLOGY Throttle Return Spring Kit – 4500HP 49-1QFT

    SKU: QFT49-1
    Product information
    Details...
    Original price was: $79.00.Current price is: $71.75.Add to cart
    Original price was: $79.00.Current price is: $71.75.
    Quantity Only 8 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    MARCH PERFORMANCE Billet Power Steering Case Only 452

    SKU: MPP452
    Product information
    • Weight2.7 lbs
    • Dimensions7.8 × 7.4 × 7.3 in
    • Hardware Included

      Yes

    • Quantity

      Each

    • Material

      Aluminum

    • Color

      Natural

    • Finish

      Anodized

    Details...
    Original price was: $288.86.Current price is: $262.60.Add to cart
    Original price was: $288.86.Current price is: $262.60.
    Quantity Only 1 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    QUICK TIME 15mm Offset Dowel Pins 2pk .021 Offset RM-162

    SKU: QTMRM-162
    Product information
    • Weight0.045 lbs
    • Dimensions5.15 × 3.65 × 0.6 in
    • Intended Location

      Bellhousing

    • Outside Diameter (Mm)

      15 mm

    • Solid / Hollow / Split

      Hollow

    • Offset

      Yes

    • Offset Amount

      0.021 in

    Details...
    Original price was: $39.00.Current price is: $34.98.Add to cart
    Original price was: $39.00.Current price is: $34.98.
    Quantity Only 2 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    RACEQUIP Black Jacket Multi Layer Small 121002RQP

    SKU: RQP121002
    Product information
    • Weight2.95 lbs
    • Dimensions16.25 × 12.2 × 3.9 in
    • Product Line

      120 Series

    • Size

      Small

    • Sfi Rating

      3.2A/5

    • Layers

      2 Layer

    • Stripe

      Yes

    Details...
    Original price was: $158.00.Current price is: $142.95.Add to cart
    Original price was: $158.00.Current price is: $142.95.
    Quantity Only 4 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    LOKAR Chrome Dimmer Switch Cap SG-6009

    SKU: LOKSG-6009
    Product information
    • Weight0.25 lbs
    • Dimensions7.6 × 5.8 × 0.95 in
    • Quantity

      Each

    • Material

      Aluminum

    • Color

      Chrome

    • Finish

      Plated

    • Automatic Or Manual Transmissions

      Automatic / Manual

    Details...
    Original price was: $52.84.Current price is: $45.95.Add to cart
    Original price was: $52.84.Current price is: $45.95.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    SCRIBNER Utility Jug 3 Gallon – White 2020W

    SKU: SCR2020W
    Product information
    • Weight2.775 lbs
    • Dimensions16.1 × 9.7 × 9.6 in
    • Style

      Jug

    • Shape

      Square

    • Length

      9.5 in

    • Width

      9.5 in

    • Height

      16 in

    Details...
    Original price was: $38.57.Current price is: $32.14.Add to cart
    Original price was: $38.57.Current price is: $32.14.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    SWIFT SPRINGS Bump Stop Spring 2000lb SBS2000

    SKU: SWISBS2000
    Product information
    • Weight0.655 lbs
    • Dimensions7.5 × 4.6 × 2.6 in
    • Spring Type

      Bump Stop

    • Length

      2.25 in

    • Outside Diameter

      2 in

    • Material

      Steel

    • Color

      Copper

    Details...
    Original price was: $111.18.Current price is: $92.65.Add to cart
    Original price was: $111.18.Current price is: $92.65.
    Quantity Only 4 left in stock!
    -+
    Add to cart
    Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    VHT Flat Black Hdr. Paint Flame Proof SP102

    SKU: VHTSP102
    Product information
    • Weight0.95 lbs
    • Dimensions7.85 × 2.6 × 2.6 in
    • Product Line

      FlameProof

    • Finish

      Flat

    • Quantity

      Each

    • Variant

      Yes

    • Paint Type

      Silicone Ceramic

    Details...
    Original price was: $16.68.Current price is: $15.16.Add to cart
    Original price was: $16.68.Current price is: $15.16.Add to wishlist
  • Add to wishlist
    Sale
    Wheel Front Aftermarket Shop
    Add to wishlist

    HOLLEY Main Jets (2) 122-69

    SKU: HLY122-69
    Product information
    • Weight0.03 lbs
    • Dimensions5 × 3.45 × 0.8 in
    • Fuel Type

      Gasoline

    • Inside Diameter

      0.0693 in

    • Jet Number

      69.0

    • Style

      Main

    • Thread

      1/4-32 in

    Details...
    Original price was: $16.00.Current price is: $14.30.Add to cart
    Original price was: $16.00.Current price is: $14.30.Add to wishlist

    91