Pypes Performance Exhaust SMB13S 1966-1974 Mopar B-Body Header-Back Exhaust System

Upgrade the sound, appearance, and exhaust flow of your classic Mopar with the Pypes Performance Exhaust SMB13S Header-Back Exhaust System. Designed for 1966-1974 Mopar B-Body vehicles, this complete exhaust kit extends from the headers to the rear of the vehicle for a clean, coordinated installation and a performance-focused exhaust layout.
Constructed from durable stainless steel, the system is engineered for long-term corrosion resistance and dependable service in demanding driving conditions. The 3-inch exhaust tubing supports improved exhaust flow compared with restrictive factory-style systems, making it a practical choice for street-driven classics, restoration projects, and performance builds. Its polished stainless construction also provides a clean appearance beneath the vehicle.
The Pypes Performance Exhaust SMB13S is designed specifically for Mopar B-Body applications and includes the components needed for a header-back exhaust installation. Vehicle-specific routing helps simplify fitment while preserving underbody clearance around the chassis and crossmember. Professional installation is recommended to verify alignment, clearance, and compatibility with the vehicle’s headers, engine, transmission, and other modified components.
This Pypes Performance Exhaust system delivers a durable replacement for aging or damaged exhaust components while helping complete the performance character of a classic Mopar. Confirm the vehicle application and existing header configuration before ordering to ensure proper compatibility.

Features:

• Application: Designed for 1966-1974 Mopar B-Body vehicles

• System Type: Complete header-back exhaust system

• Tubing Diameter: 3-inch exhaust tubing

• Material: Durable stainless steel construction

• Installation Coverage: Extends from the headers to the rear of the vehicle

• Design: Vehicle-specific routing for Mopar B-Body applications

• Use: Suitable for classic restoration, street performance, and custom builds