Shorty Exhaust Headers For Dodge Chrysler Plymouth Big Block 373-440 Exhaust Header 1959-1978

SKU: XKV11207
Availability : In Stock Pre order Out of stock
$246.54 $170.68 SAVE $75.86
Fitment & Specs
Fits selected 1959–1978 Chrysler / Dodge / Plymouth big-block V8 applications. Please verify your year, model, engine size, flange shape, and exhaust configuration before purchase.
1.88" Inlet · 2.87" Outlet
T304 Stainless Steel · Flange-Mounted
Before You Buy: Off-road/racing use only · Professional install recommended · Tuning recommended
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Description

100% new, never used. This shorty exhaust header set is built from premium T304 stainless steel with TIG-welded, CNC-machined flanges for a durable non-OEM exhaust header replacement or upgrade on compatible Dodge and Plymouth big-block V8 applications.

The compact shorty header layout is designed for listed gasoline big-block V8 fitments where a flange-mounted header configuration is required. Final fitment, sound, and performance results may vary depending on the vehicle, engine setup, exhaust system, and installation condition.

Product Overview

This product is intended for compatible gasoline big-block V8 applications listed in the fitment table below. It is not a diesel delete pipe, DPF delete pipe, EGR delete kit, or emissions-system removal product.

Key Features

  • T304 stainless steel construction for exhaust heat and corrosion resistance
  • TIG-welded construction with CNC-machined flanges
  • Shorty header design for a compact exhaust header layout
  • Flange-mounted, non-OEM configuration
  • Designed for listed Dodge and Plymouth big-block V8 applications
  • Suitable for performance-focused builds, restoration projects, or exhaust system refreshes where compatible

Key Specs

Specification Detail
Condition 100% New, never been used
Product Type Shorty Exhaust Headers
Included Items Mounting Hardware
Mounting Style Flange-Mounted
Type Non-OEM
Inlet / Outlet 1.88" / 2.87"
Material Premium Quality T304 Stainless Steel
Construction TIG-Welded CNC-Machined Flange

Package Includes

  • Shorty exhaust header set
  • Mounting hardware included as listed

Please check the product photos and listing details before installation. Gaskets, bolts, or additional installation parts should be confirmed before installation if they are not clearly shown or listed.

Installation Notes

  • Professional installation is recommended.
  • Test fit all components before final tightening.
  • Check clearance around the steering shaft, starter, suspension, frame, engine mounts, spark plugs, and surrounding exhaust components.
  • Classic vehicles, engine swaps, aftermarket exhaust systems, and previously modified vehicles may require adjustment, additional hardware, or exhaust-side fabrication.
  • Inspect or replace gaskets and related fasteners as needed during installation.
  • Recheck and retighten hardware after initial heat cycles where appropriate.

Before You Buy

  • Please verify your year, make, model, engine, flange shape, and available engine bay clearance before ordering.
  • This is a gasoline exhaust header product, not a diesel DPF / EGR / SCR / DOC delete product.
  • For off-road or racing use where emissions laws apply.
  • This product is not represented as street legal or CARB-compliant unless a valid exemption is explicitly stated.
  • Performance gains, sound changes, and drivability results are not guaranteed and may vary by setup.

Fitment

Please use the table below to quickly check the main compatible vehicle applications for this header set. Because classic vehicles may have engine swaps, previous modifications, or exhaust changes, please verify your engine, flange shape, and available clearance before ordering.

Vehicle Name Year Engine
Dodge B200 1976–1978 6.6L
Dodge B300 1976–1978 6.6L
Dodge Ramcharger 1977–1978 6.6L
Plymouth PB200 1976–1978 6.6L
Plymouth PB300 1976–1978 6.6L
Plymouth Trailduster 1977–1978 6.6L
Fitment Note: This table is a simplified fitment summary for easier browsing. Please confirm your exact vehicle, engine, exhaust layout, and installation clearance before purchase. Older vehicles, engine swaps, and modified builds may require additional verification or fabrication.
Shipping & Return

SHIPPING & DELIVERY
Fast Processing & Reliable Transit

  • Processing: Orders are processed and shipped from the nearest available warehouse within 1 business day after payment.
  • Delivery: Estimated delivery time is approximately 3–4 business days after shipment.
  • Shipping - Free shipping on all orders within the contiguous 48 U.S. states.

RETURNS & EXCHANGES
30-Day Hassle-Free Policy

  • Return Window: We offer a 30-day return policy from the date of delivery.
  • Item Condition: Returned items should be unused, uninstalled, and in their original packaging when possible.
  • Return Process: To initiate a return or exchange, please contact our customer service team first to receive authorization and instructions.

WARRANTY
2-Year Limited Replacement Warranty

  • Duration: All products are backed by a 2-year limited warranty.
  • Coverage: This warranty covers manufacturing defects and product failures under normal use, and provides a replacement for qualified cases (repairs are not performed).

CUSTOMER SUPPORT
We’re Here to Help – Contact Us First

  • Priority Contact: For any order-related issues—including returns, warranty claims, or general inquiries—please contact us first before taking further action. We are committed to resolving your concern promptly.
  • Feedback Notice: If you are unsatisfied, we kindly ask that you allow us an opportunity to address the issue before leaving neutral or negative feedback.
  • Email Support: You can reach us at support@XKVracing.com.

What Does an Exhaust Header Actually Do?

The exhaust header is the first section of the exhaust system and mounts directly to the engine. Its role is to collect exhaust gases from each cylinder and route them into the rest of the exhaust system.

Compared to many factory manifolds, header designs often focus on smoother internal flow and more uniform exhaust routing before gases move downstream.

What You May Notice After Installation

Smoother exhaust flow as engine speed increases

More consistent engine behavior across the RPM range

Improved exhaust routing when paired with other intake or exhaust components

Changes in exhaust tone, depending on system configuration

When This Type of Upgrade Is Typically Considered

Addressing airflow limitations in the factory exhaust manifold

Planning coordinated intake or exhaust system updates

Replacing aging or restrictive original components

Build a balanced, performance-focused setup

Factory Manifold vs. Performance Header

Factory Exhaust Manifold

Designed to meet packaging, cost, and emissions requirements
Prioritizes durability and compliance across broad use cases

Performance Exhaust Header

Designed with exhaust flow characteristics in mind
Built for higher exhaust temperatures and specific vehicle platforms
Commonly used as part of an exhaust system configuration

FAST SHIPPING

Ships within 1 business day after payment
3–4 business day delivery

Secure and Reliable Checkout

Secure checkout with major payment options

LOCAL WAREHOUSE

Orders ship from U.S. warehouses when available

Easy Returns and Exchanges

30-day returns for eligible unused items

Parts Warranty

Warranty support for qualified manufacturing defects

Important Notice

Products on this site are intended for off-road, racing, or closed-course use where emissions laws apply. They are not represented as street legal, emissions-compliant, or legal for use on public roads unless explicitly stated.

Some products may remove, replace, relocate, disable, or alter emissions-related components, including but not limited to catalytic converters, EGR, DPF, SCR, DOC, O2 sensors, or related factory systems. Compatible tuning, calibration, or supporting modifications may be required to avoid engine codes or drivability issues.

Professional installation is recommended. Buyers are responsible for verifying product compatibility, local regulations, emissions requirements, and any required tuning or supporting modifications before purchase and installation.

Performance gains, sound changes, airflow improvements, temperature changes, fuel economy changes, fitment, and drivability results may vary. No specific performance gains are guaranteed.

Frequently Asked Questions

What do exhaust headers do? +
Exhaust headers help route exhaust gases away from the engine through individual tubes and collector-style routing. Actual results depend on the vehicle, engine condition, exhaust system, installation quality, and supporting components.
What's the difference between headers and factory manifolds? +
Factory manifolds are typically designed around packaging, durability, emissions requirements, and production cost. Headers or manifold-related exhaust upgrades may use different tube routing, flange designs, or connection layouts depending on the application.
Will headers increase horsepower? +
Headers may support improved exhaust flow where the product is compatible, but horsepower and torque changes are not guaranteed. Results vary by engine setup, tuning, exhaust configuration, vehicle condition, installation, and supporting modifications.
Do headers make the vehicle louder? +
Headers and related exhaust parts can change exhaust tone and may increase sound depending on the rest of the exhaust system. Final sound level depends on the engine, mufflers, catalytic converters, pipe routing, and complete exhaust setup.
Do I need tuning after installing headers? +
Tuning requirements depend on the vehicle, engine management system, O2 sensor setup, emissions equipment, and supporting modifications. Some installations may not require tuning, while modified builds may require professional inspection, calibration, or tuning to support proper drivability.
Are header products street legal? +
Header and exhaust products may be intended for off-road or racing use where emissions laws apply. They are not represented as street legal, emissions-compliant, or CARB-compliant for public road use unless a valid exemption is explicitly stated. Always check local regulations before purchase and installation.
Can I use headers with a stock exhaust system? +
Compatibility with a stock exhaust system depends on the vehicle and existing exhaust configuration. Some vehicles may require additional hardware, gaskets, connectors, adjustment, or fabrication to complete installation.
Are headers hard to install? +
Installation difficulty varies by vehicle. Tight engine bays, old hardware, rust, engine swaps, modified exhaust systems, sensor placement, and clearance around surrounding components can increase installation complexity. Professional installation is recommended.
Will headers affect reliability? +
Reliability depends on fitment accuracy, installation quality, vehicle condition, heat management, gasket sealing, fastener condition, sensor placement, and supporting components. Proper inspection and installation are important.