---
product_id: 264547930
title: "Doug's Headers D3373 1-5/8\" 4-Tube Manifold Replacement Metallic Ceramic Coated Exhaust Header for Chevrolet Truck 5.3L 02-07"
brand: "doug's headers"
price: "$38843"
currency: MXN
in_stock: true
url: https://www.desertcart.mx/products/264547930-dougs-headers-d3373-1-5-8-4-tube-manifold-replacement
store_origin: MX
region: Mexico
---

# Thick flanges (3/8" to 5/8") Heavy gauge tubing (16G & 14G) CNC mandrel bent tubes Doug's Headers D3373 1-5/8" 4-Tube Manifold Replacement Metallic Ceramic Coated Exhaust Header for Chevrolet Truck 5.3L 02-07

**Brand:** doug's headers
**Price:** $38843
**Availability:** ✅ In Stock

## Summary

> 🚀 Elevate Your Ride with Doug's Headers!

## Quick Answers

- **What is this?** Doug's Headers D3373 1-5/8" 4-Tube Manifold Replacement Metallic Ceramic Coated Exhaust Header for Chevrolet Truck 5.3L 02-07 by doug's headers
- **How much does it cost?** $38843 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.mx](https://www.desertcart.mx/products/264547930-dougs-headers-d3373-1-5-8-4-tube-manifold-replacement)

## Best For

- doug's headers enthusiasts

## Why This Product

- Trusted doug's headers brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Sleek Aesthetic:** Pre-polished header tubes for a stunning appearance under the hood.
- • **Enhanced Performance:** Long transition collectors designed to minimize backpressure for a powerful ride.
- • **Unmatched Durability:** Crafted with thick flanges to prevent warping, ensuring longevity.
- • **Precision Engineering:** CNC mandrel bent tubes for a flawless fit and optimal exhaust flow.
- • **Heavy-Duty Construction:** Built with robust 16G and 14G tubing for ultimate resilience.

## Overview

Doug's Headers D3373 is a high-performance 1-5/8" 4-tube manifold replacement exhaust header designed specifically for Chevrolet Trucks (5.3L, 2002-2007). With features like thick flanges, CNC mandrel bent tubes, and heavy gauge construction, this product promises enhanced durability, precision fit, and improved exhaust flow, making it a must-have for any serious truck enthusiast.

## Description

D3373 1-5/8" 4-Tube Manifold Replacement Metallic Ceramic Coated Exhaust Header for Chevrolet Truck 5.3L 02-07

## Features

- Thick flanges (3/8 inch to 5/8 inch) with no warping
- CNC mandrel bent tubes for an accurate fit and a better flow
- Precision formed long transition collectors that reduces backpressure
- Heavy gauge tubing (16 and 14G) for longer life
- Header tubes are pre-polished better appearance

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Doug's Headers |
| Brand | Doug's Headers |
| Product Dimensions | 60.96 x 50.8 x 25.4 cm; 12.25 kg |
| Item model number | D3373 |
| Manufacturer Part Number | D3373 |
| OEM Part Number | D3373 |
| Item Weight | 12.2 Kilograms |

## Images

![Doug's Headers D3373 1-5/8" 4-Tube Manifold Replacement Metallic Ceramic Coated Exhaust Header for Chevrolet Truck 5.3L 02-07 - Image 1](https://m.media-amazon.com/images/I/61LJImb4xBL.jpg)

## Frequently Bought Together

- Doug's Headers D3373 1-5/8" 4-Tube Manifold Replacement Metallic Ceramic Coated Exhaust Header for Chevrolet Truck 5.3L 02-07
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**Shop now:** [https://www.desertcart.mx/products/264547930-dougs-headers-d3373-1-5-8-4-tube-manifold-replacement](https://www.desertcart.mx/products/264547930-dougs-headers-d3373-1-5-8-4-tube-manifold-replacement)

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*Product available on Desertcart Mexico*
*Store origin: MX*
*Last updated: 2026-01-26*