MagnaFlow 15684 Street Series Cat-Back Exhaust System Stainless Steel

The MagnaFlow 15684 Street Series Cat-Back Exhaust System delivers dyno-proven performance gains with the signature MagnaFlow resonant, powerful engine tone. This complete cat-back system replaces your factory exhaust components from the catalytic converter rearward, engineered for enhanced flow dynamics and improved exhaust gas evacuation.

Construction and Design:

• Mandrel-bent 3-inch main piping for maximum exhaust flow
• Straight-through muffler design with perforated stainless steel core
• Durable, corrosion-resistant stainless steel construction throughout
• Dual split rear exit configuration with polished single-wall angle-cut tips
• 3.5-inch diameter polished exhaust tips
• 18-inch muffler body length (5-inch x 8-inch dimensions)

Performance and Sound:

• Moderate exterior sound level with mild interior tone
• Dyno-tested for proven horsepower and torque gains
• Enhanced throttle response and engine efficiency
• Aggressive appearance with performance-oriented sound character

Installation and Fitment:

• Direct-fit design developed with extensive 3D scanning technology
• Includes all necessary band clamps, hangers, brackets, and hardware
• Bolt-on installation with clamp-on inlet connection
• CNC precision robotic manufacturing ensures consistent quality

Backed by MagnaFlow's 1-year limited finish warranty and limited lifetime construction warranty. Manufactured using ISO-9001 certified processes for reliable performance and superior fitment.