Pypes Performance Exhaust SMB13R Race Pro Series Header-Back Exhaust System for 1966-1974 Mopar B-Body

Upgrade your classic Mopar with the Pypes Performance Exhaust SMB13R Race Pro Series header-back exhaust system, engineered for 1966-1974 Mopar B-Body applications. This complete kit delivers a performance-focused exhaust layout with a 3-inch exhaust diameter, an integrated X-pipe, and dual rear exits for improved exhaust flow and a strong, balanced exhaust note. It is designed to provide a clean crossmember-back installation for enthusiasts restoring or enhancing their classic muscle car.
Constructed from stainless steel with a natural finish, the Race Pro Series system offers durability and a purposeful appearance suitable for high-performance street and competition-oriented builds. The X-pipe design helps balance exhaust pulses between cylinder banks while supporting efficient gas flow through the system. The dual rear exit configuration maintains the traditional muscle car look while complementing the Mopar B-Body chassis.
The Pypes Performance Exhaust SMB13R kit is a practical choice for replacing aging exhaust components or completing a full performance exhaust upgrade. Its application-specific design helps simplify installation on compatible 1966-1974 Mopar B-Body vehicles, while the header-back configuration provides comprehensive coverage from the headers to the rear outlets. Verify vehicle application, header compatibility, and required installation hardware before ordering.

Features:

• Brand: Pypes Performance Exhaust

• Part Number: SMB13R

• Application: 1966-1974 Mopar B-Body

• System Type: Race Pro Series header-back exhaust system

• Exhaust Layout: Crossmember-back design with X-pipe

• Exhaust Diameter: 3 inches

• Exit Configuration: Dual rear exit

• Material: Stainless steel

• Finish: Natural stainless steel

• Kit Contents: Complete exhaust system kit