---
product_id: 276288684
title: "Spectre K&N performance 9751 black 4'' air duct hose"
brand: "spectre"
price: "A$104"
currency: AUD
in_stock: true
url: https://www.desertcart.com.au/products/276288684-spectre-k-and-n-performance-9751-black-4-air-duct
store_origin: AU
region: Australia
---

# Memory-flex design for perfect bends 41 inches of versatile ducting Dual-threaded rubber boots for secure fit Spectre K&N performance 9751 black 4'' air duct hose

**Brand:** spectre
**Price:** A$104
**Availability:** ✅ In Stock

## Summary

> 🛠️ Upgrade your airflow game with Spectre’s sleek, flexible ducting!

## Quick Answers

- **What is this?** Spectre K&N performance 9751 black 4'' air duct hose by spectre
- **How much does it cost?** A$104 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/276288684-spectre-k-and-n-performance-9751-black-4-air-duct)

## Best For

- spectre enthusiasts

## Why This Product

- Trusted spectre brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Durable Build:** Crafted with high-quality materials for lasting reliability
- • **Universal Fit:** Directly attaches to 4'' air box inlets and intake tubes
- • **Optimized Length:** 41 inches of ducting to tailor your airflow setup
- • **Cold Air Champion:** Effortlessly channels cool air to boost engine performance
- • **Precision Memory-Flex:** Retains shape for custom intake perfection

## Overview

The Spectre K&N Performance 9751 is a 41-inch, memory-flex 4'' air duct hose designed to deliver cold air efficiently into your engine. Featuring dual-threaded rubber boots for a secure fit, it’s engineered with premium materials to ensure durability and optimal custom intake system integration.

## Description

Spectre K&N performance 9751 black 4'' air duct hose

## Features

- Memory-flex design helps retain its position and bends
- Helpful for creating a custom intake system
- Can be used to bring cold air into the engine
- 41 inches of ducting and two threads on rubber boots

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Spectre |
| Brand | Spectre |
| Model | K&N - Air Duct Hose Kit (9751) |
| Item model number | SPE-9751 |
| Exterior | Machined |
| Manufacturer Part Number | 9751 |
| OEM Part Number | 9751 |
| Item Weight | 0.28 g |

## Images

![Spectre K&N performance 9751 black 4'' air duct hose - Image 1](https://m.media-amazon.com/images/I/61XLZoo2sUL.jpg)
![Spectre K&N performance 9751 black 4'' air duct hose - Image 2](https://m.media-amazon.com/images/I/61XLZoo2sUL.jpg)

## Questions & Answers

**Q: Will this fit a 2008 hhr? the air intake duct fell apart when i took it off to change my spark plugs.**
A: I am following this question.  I have a 2010 hhr and the factory hose is crap and quite expensive to replace just for another peice of crap.

**Q: Is this insulated**
A: No these are not insulated.

**Q: Are the ends of the hose soft enough to clamp down on a 3 1/2 inch opening**
A: yes fits great

**Q: Can it handle the stress of ram air connected to the front bumper?**
A: I would think it would it handles the turbo on my cummins with no issues.

## Frequently Bought Together

- Spectre Performance SPE-9751 Black 4" Air Duct Hose
- Spectre Performance 9771 Black 4" Intake Coupler
- Spectre Performance SPE-9849 4" Single Air Intake Plenum

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**Shop now:** [https://www.desertcart.com.au/products/276288684-spectre-k-and-n-performance-9751-black-4-air-duct](https://www.desertcart.com.au/products/276288684-spectre-k-and-n-performance-9751-black-4-air-duct)

---

*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-02-24*