Spiral Flow Racing Muflr 2.5in In/Out

If you're chasing a deeper tone, better exhaust velocity, and reduced backpressure, the 2.5 inch performance muffler is exactly what your build needs. The Spiral Flow Racing Muflr 2.5in In/Out is engineered for racers, tuners, and weekend warriors who demand more than stock. Designed with spiral flow internals and precision porting, it’s built to optimize exhaust scavenging, delivering performance and sound in equal measure.

Unlike chambered or glasspack mufflers that often restrict flow at mid-range RPMs, this 2.5 inch performance muffler features a spiral flow core that maximizes efficiency without compromising on that aggressive, throaty exhaust note. Its 16-inch length and 4-inch diameter make it ideal for tight underbody setups, while the black-painted steel exterior not only looks sleek but resists heat and corrosion over time.

Whether you're upgrading your street machine, track car, or daily driver, this 2.5 inch performance muffler brings pro-level benefits at an enthusiast-friendly price. The straight-through design with center inlet and outlet promotes better torque and horsepower, especially in naturally aspirated or lightly boosted builds. It’s the perfect blend of sound control and high-flow performance, without blowing out your eardrums or budget.

Features & Benefits:

• Spiral Flow Core Design – Increases exhaust scavenging for smoother, more efficient flow and performance gains.

• 2.5-Inch Center Inlet/Outlet – Perfect fit for most performance exhaust systems with no adapters needed.

• 16-Inch Overall Length – Compact size makes installation easy in tight spaces or custom setups.

• Steel Construction with Black Paint Finish – Durable, heat-resistant, and corrosion-resistant for long-term use.

• Aggressive, Deep Exhaust Note – Provides a sporty, race-inspired sound without excessive cabin drone.

• Straight-Through Design – Maximizes power and torque while minimizing restriction.

Sick of your ride sounding like a hairdryer or feeling choked under throttle? It’s time to upgrade with a high-quality 2.5 inch performance muffler that doesn’t just make noise, it makes a difference. Whether you're shaving lap times or just want heads to turn at a stoplight, this Spiral Flow Racing Muffler delivers serious performance backed by solid engineering.

Specifications:

What’s Included

• 1x Spiral Flow Racing Muflr 2.5in In/Out

• Installation Instructions (Digital PDF available on request)

• Manufacturer’s Limited Warranty