---
product_id: 1670017
title: "Spectre Performance 9741 Black 4\" x 3.5\" Intake Coupler"
brand: "spectre"
price: "€ 49.93"
currency: EUR
in_stock: true
category: "Spectre"
url: https://www.desertcart.at/products/1670017-spectre-performance-9741-black-4-x-3-5-intake-coupler
store_origin: AT
region: Austria
---

# 4" to 3.5" precision fit Not for turbo/supercharged engines 2 stainless steel worm gear clamps Spectre Performance 9741 Black 4" x 3.5" Intake Coupler

**Brand:** spectre
**Price:** € 49.93
**Availability:** ✅ In Stock

## Summary

> 🔧 Upgrade your airflow game with precision and style!

## Quick Answers

- **What is this?** Spectre Performance 9741 Black 4" x 3.5" Intake Coupler by spectre
- **How much does it cost?** € 49.93 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.at](https://www.desertcart.at/products/1670017-spectre-performance-9741-black-4-x-3-5-intake-coupler)

## 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

- • **Sleek Black or Bold Red PVC:** Choose your style with high-quality PVC that resists wear and looks sharp under the hood.
- • **Compact & Lightweight Design:** At just 0.23 kg, it’s easy to install without adding bulk or weight to your intake system.
- • **Seamless Diameter Transition:** Effortlessly connects 4" and 3.5" intake tubes for a perfect fit every time.
- • **Durable Stainless Steel Clamps:** Includes two corrosion-resistant worm gear clamps for a secure, vibration-proof seal.
- • **Engineered for Naturally Aspirated Setups:** Optimized for non-turbocharged engines to ensure reliable airflow without compromise.

## Overview

The Spectre Performance 9741 Intake Coupler is a high-quality reducer designed to connect 4" and 3.5" diameter intake tubes. Made from durable PVC and equipped with two stainless steel worm gear clamps, it ensures a secure, leak-free fit. Available in black or red, this coupler is ideal for naturally aspirated engines and offers a lightweight, compact solution for seamless intake system upgrades.

## Description

Spectre’s Intake Coupler Reducer is designed to connect any 4 inch outside diameter component or air intake tube with a 3 1/2 inch outside diameter component or intake tube. This intake coupler is available in both red and black PVC and comes complete with 2 stainless steel worm gear hose clamps. This product is not recommended for turbo-charged/super-charged engines.

## Features

- Connect any 4 inch outside diameter component or air intake tube with a 3 1/2 inch outside diameter
- Comes complete with 2 Stainless steel worm gear hose clamps
- Not for turbo-charged/supercharged engines
- Available in both red and black PVC

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B001OMK5NA |
| Best Sellers Rank | #283,497 in Automotive ( See Top 100 in Automotive ) #4 in Automotive Performance Hose Fittings & Adapters |
| Brand Name | Spectre |
| Color | Black |
| Connector Type | Reducer |
| Customer Reviews | 4.5 4.5 out of 5 stars (610) |
| Exterior Finish | Machined |
| Global Trade Identification Number | 00089601974101 |
| Included Components | REDUCER CLAMP |
| Item Dimensions | 6 x 4 x 4 inches |
| Item Type Name | REDUCER CLAMP |
| Item Weight | 0.23 kg |
| Manufacturer | Spectre |
| Manufacturer Part Number | 9741 |
| Manufacturer Warranty Description | 3 Months |
| Material Type | Stainless Steel |
| Model Number | SPE-9741 |
| Number of Packs | 1 |
| Number of Pieces | 1 |
| Size | 4" x 3.5" |
| UPC | 089601974101 |
| Unit Count | 1 Count |

## Product Details

- **Brand:** Spectre
- **Color:** Black
- **Connector Type:** Reducer
- **Exterior Finish:** Machined
- **Item Weight:** 0.23 kg
- **Item dimensions L x W x H:** 6 x 4 x 4 inches
- **Material:** Stainless Steel
- **Number of Packs:** 1
- **Number of Pieces:** 1
- **Size:** 4" x 3.5"

## Images

![Spectre Performance 9741 Black 4" x 3.5" Intake Coupler - Image 1](https://m.media-amazon.com/images/I/71Tie3lwPrL.jpg)
![Spectre Performance 9741 Black 4" x 3.5" Intake Coupler - Image 2](https://m.media-amazon.com/images/I/413qBukISLL.jpg)

## Available Options

This product comes in different **Size** options.

## Questions & Answers

**Q: What is the outside diameter on the 3.5 in end?**
A: the OD is approximately 3 3/4 inches, and i can count 6 to 7 teeth left exposed on the hose clip done up, and the clip is 78 -101mm size wise,

**Q: Will it work on 5.3 liter vortex engine chevy subrban**
A: Yes, as long as your throttle body is 4" and your intake tube is 3.5"

**Q: How much will it stretch? Will i be ablw to stretch it to fit 3-3/4" pipe**
A: Yes, the 3.5" end will fit on a 3.75 od pipe.

**Q: What is the length?**
A: 3 inches long

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**Shop now:** [https://www.desertcart.at/products/1670017-spectre-performance-9741-black-4-x-3-5-intake-coupler](https://www.desertcart.at/products/1670017-spectre-performance-9741-black-4-x-3-5-intake-coupler)

---

*Product available on Desertcart Austria*
*Store origin: AT*
*Last updated: 2026-11-03*