---
product_id: 11308477
title: "Thornton's 350 JR Exhaust Manifolds"
brand: "thorton reproductions"
price: "$167.18"
currency: USD
in_stock: true
url: https://www.desertcart.ec/products/11308477-thorntons-350-jr-exhaust-manifolds
store_origin: EC
region: Ecuador
---

# Precision Engineering Durable Construction Optimized Airflow Thornton's 350 JR Exhaust Manifolds

**Brand:** thorton reproductions
**Price:** $167.18
**Availability:** ✅ In Stock

## Summary

> 🚗 Elevate Your Ride with Thornton's Precision!

## Quick Answers

- **What is this?** Thornton's 350 JR Exhaust Manifolds by thorton reproductions
- **How much does it cost?** $167.18 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ec](https://www.desertcart.ec/products/11308477-thorntons-350-jr-exhaust-manifolds)

## Best For

- thorton reproductions enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Constructed from high-quality materials for long-lasting durability.
- • **Easy Installation:** User-friendly design ensures a hassle-free setup.
- • **Engineered for Efficiency:** Designed to enhance airflow and reduce back pressure.
- • **Perfect Fit for Your Ride:** Tailored specifically for seamless integration with your vehicle.
- • **Unleash Your Engine's Potential:** Maximize performance with expertly crafted manifolds.

## Overview

Thornton's 350 JR Exhaust Manifolds are engineered by Thornton Reproductions to enhance your vehicle's performance through optimized airflow and reduced back pressure, ensuring a perfect fit and easy installation for a seamless upgrade.

## Description

Brand New, Custom Design! Here is a high performance exhaust manifold that GM never produced. We have produced what everybody was asking for. This is the high performance solution instead of headers. Features: Large 2 1/4" outlet on the driver side manifold (original stock manifold is 2") No crossover pipe hole to plug on the passenger side Divided center port design Larger design for better air flow Direct bolt on with no modifications needed These manifolds were conformed from the 1970 455 W30 manifold and custom fit to the small block for all proper clearances. They will fit 1964 to 1988 small block Oldsmobile 307, 330, 350, 403. Will fit all GM A body cars, G body cars, F body Trans Am with a 403 and 1971 and newer B and C body cars.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | Thornton Reproductions |
| Brand | Thorton Reproductions |
| Manufacturer Part Number | TH015 |

## Images

![Thornton's 350 JR Exhaust Manifolds - Image 1](https://m.media-amazon.com/images/I/51Hms+f7SKL.jpg)
![Thornton's 350 JR Exhaust Manifolds - Image 2](https://m.media-amazon.com/images/I/51VmL2n964L.jpg)

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**Shop now:** [https://www.desertcart.ec/products/11308477-thorntons-350-jr-exhaust-manifolds](https://www.desertcart.ec/products/11308477-thorntons-350-jr-exhaust-manifolds)

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*Product available on Desertcart Ecuador*
*Store origin: EC*
*Last updated: 2026-03-09*