Street Pack - SP4418B 4" Blank Round Body Muffler - 2.25" Center In / 2.25" Center Out

More than just a traditional glasspack! While you can expect similar sound characteristics, a Street Pack features a superior 16-gauge heavy-duty construction, 100% fully welded inside and out, and AKDQ ports for solid durability and formability. The internal core design features 1/2” perforated louvered ports via a unique spiral design, enabling maximum flow and performance. All units are fully reversible for optimal sound control. Proudly produced in North America! 

Features
• Heavy Duty 16-Gauge Aluminized Steel Construction
• Single Packed Internal Design
• Spiral Louvered Core w/ Deep Performance Tone
• Reversible Design for Optimal Sound Control
• 1/2” Perforated Louvers 
• 100% North American Made

Specifications
• 4" Blank Round Body
• 18" Overall Length (Blank)
• 18" Body Length
• 2.25" Center In / 2.25" Center Out

Package Dimensions
• 19" x 4" x 4"
• 6.3 lbs.