---
product_id: 4373144
title: "Performance 9781 Black 4\" 90 Degree Boot"
brand: "spectre"
price: "฿4927"
currency: THB
in_stock: true
category: "Spectre"
url: https://www.desertcart.co.th/products/4373144-performance-9781-black-4-90-degree-boot
store_origin: TH
region: Thailand
---

# 4-inch diameter compatibility Includes dual stainless clamps 90° precise angle fit Performance 9781 Black 4" 90 Degree Boot

**Brand:** spectre
**Price:** ฿4927
**Availability:** ✅ In Stock

## Summary

> ↪️ Elevate your airflow game with precision and style!

## Quick Answers

- **What is this?** Performance 9781 Black 4" 90 Degree Boot by spectre
- **How much does it cost?** ฿4927 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/4373144-performance-9781-black-4-90-degree-boot)

## 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

- • **Flexible PVC Build:** Durable yet pliable material for easy installation and custom trimming
- • **Universal 4-Inch Fit:** Seamlessly connects standard 4-inch intake tubes for versatile use
- • **Space-Savvy 90° Design:** Perfect for tight engine bays where every inch counts
- • **Secure Stainless Steel Clamps:** Ensures a leak-proof, vibration-resistant seal every time
- • **Trusted by Performance Enthusiasts:** Top-rated choice for LS engines and cold air kits

## Overview

The Spectre Performance 9781 Black 4" 90 Degree Boot is a flexible PVC coupler designed to connect 4-inch diameter intake tubes at a perfect 90-degree angle. It includes two stainless steel worm gear clamps for a secure fit, making it ideal for tight engine spaces and custom cold air intake setups. Not recommended for turbocharged or supercharged engines, this top-rated product is favored by automotive enthusiasts for its durability and ease of installation.

## Description

This Spectre Intake Coupler is a 4 inch to 4 inch 90 degree elbow. It comes with two stainless steel worm gear hose clamps. Use it to connect any 4 inch outside diameter component or air intake tube to a 4 inch outside diameter component or intake tube. The coupler is not recommended for turbo-charged/supercharged engines.

## Features

- 90 degree coupler for 4 inch diameter intake tubes
- Includes coupler and two clamps
- Great option where space is limited
- Made from PVC

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B001OMM6WS |
| Best Sellers Rank | #83,779 in Automotive ( See Top 100 in Automotive ) #1 in Automotive Performance Hose Fittings & Adapters |
| Brand Name | Spectre |
| Color | Black |
| Connector Type | Elbow |
| Customer Reviews | 4.6 4.6 out of 5 stars (764) |
| Exterior Finish | Stainless Steel |
| Global Trade Identification Number | 00089601978109 |
| Item Weight | 1 pounds |
| Manufacturer | Spectre |
| Manufacturer Part Number | 9781 |
| Manufacturer Warranty Description | 3 Months |
| Material Type | Stainless Steel |
| Model Number | SPE-9781 |
| Number of Packs | 1 |
| Number of Pieces | 1 |
| Size | 4 inches |
| Thread Size | 4 inch |
| Thread Type | NPT |
| UPC | 771395897062 089601978109 |
| Unit Count | 1 Count |

## Product Details

- **Brand:** Spectre
- **Color:** Black
- **Connector Type:** Elbow
- **Exterior Finish:** Stainless Steel
- **Item Weight:** 1 pounds
- **Material:** Stainless Steel
- **Number of Pieces:** 1
- **Size:** 4 inches
- **Thread Size:** 4 inch
- **Thread Type:** NPT

## Images

![Performance 9781 Black 4" 90 Degree Boot - Image 1](https://m.media-amazon.com/images/I/617stEsiqsL.jpg)

## Available Options

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

## Frequently Bought Together

- Spectre Performance 9781 Black 4" 90 Degree Boot
- Spectre Performance 9771 Black 4" Intake Coupler
- K&N 4-Inch Round Tapered Air Intake Filter - Washable, High Performance, 3" or 3-1/2" or 4" adjustable fitting

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.co.th/products/4373144-performance-9781-black-4-90-degree-boot](https://www.desertcart.co.th/products/4373144-performance-9781-black-4-90-degree-boot)

---

*Product available on Desertcart Thailand*
*Store origin: TH*
*Last updated: 2026-10-19*