Top Free flowing Mufflers

4 Inches Rolled Muffler Tip Catback Exhaust System Compatible with Silverado Sierra 1500 Crew/Extended Cab Short Bed 07-13

• IMPROVED FLOW CAPACITY -- Mandrel bends (where applicable) improve flow capacity over traditional bends while increased pipe diameter from OE sizes increases flow and power.
• DESIGNED TO PERFORM -- Fixture checked to ensure a precise fit for quick and easy installation.
• AVAILABLE IN DIFFERENT SIZES -- Offered in a variety of styles and sizes for a quality vehicle repair.
• PREMIUM MATERIALS -- Made from stainless steel for durability and long life.
• BETTER TOGETHER -- Use premium DynoMax accessories when installing DynoMax mufflers and exhaust systems for a complete performance exhaust system upgrade.

Vance & Hines Eliminator 300 Slip On Mufflers Chrome 16716

• Fishtail slip ons for Harley-Davidson Softail 2007-2017 dual exhaust system. Including Fatboy Springer Heritage Classic Breakout Night Train Cross Bones Heritage Softail.
• 39" Fishtail Exhaust is straight, free-flowing pipe. Look great, provide a classic dual-exit look while increasing performance.
• Very distinct sound from fishtails, sound deep and throaty, but not obnoxious noise, you will not be disappointed with the sound.
• Easy to install, direct replacement. No installation instructions. Slip-on Mufflers, just need loosen the bolts, get the old ones off and get these new on.
• A very good option if you're after the looks of fishtail exhaust without having to fork over several hundreds of dollars. 1 Year Manufacturer Defect Warranty.

Dynomax Ultra Flo 17223 Exhaust Muffler

• PREMIUM ACOUSTIC CONTROL — Exclusive Continuous Roving Fiberglass (CRF) technology absorbs unwanted interior resonance while maintaining a deep performance tone.
• SUPERIOR PERFORMANCE — Straight-through design ensures unrestricted exhaust flow and reduces back pressure.
• ENGINEERED TO LAST — Stainless-steel construction with a micro-finish for lifelong protection and 100% welded design for maximum durability.
• FLEXIBLE SOLUTION — Customizable design offered in a variety of styles and sizes for universal fitment (may require specialized fabrication and/or welding).
• SPECS — Available in a variety of body diameters.
• 2-in. to 4-in. inlet/outlet configurations.
• see product specifications for more information.
• PERFORMANCE UPGRADE — Use premium DynoMax accessories when installing Ultra Flo Welded mufflers for a complete exhaust system upgrade.

Vance & Hines Straight Billet End Cap for Big Shot Exhaust - Chrome

• Polished End Cap For Supertrapp Mufflers.
• Allows You To Open Up Your Exhaust For Straight-Through Flow By Simply Turning A Screw.
• Slight power gains when used on modified motors.

Borla 140496 Cat-Back Exhaust System

• Full stainless steel exhaust for maximum durability and corrosion resistance.
• Custom mufflers tuned to generate the highest quality exhaust tone possible.
• Straight through exhaust system to maximize exhaust flow and minimize backpressure to boost performance.
• Full system is back up by a million mile warranty. 2.50inches diameter front pipe, 2.00inches diameter split-rea pipes.

Borla 40359 Muffler

Borla 11827 Exhaust System for Jeep Grand Cherokee

• Full stainless steel exhaust for maximum durability and corrosion resistance.
• Custom aggressive mufflers tuned to generate the highest quality exhaust tone possible.
• Straight through exhaust system to maximize exhaust flow and minimize backpressure to boost performance.
• Full system is back up by a million mile warranty.

Borla 11826 Exhaust System for Jeep Grand Cherokee

• Full stainless steel exhaust for maximum durability and corrosion resistance.
• Custom aggressive mufflers tuned to generate the highest quality exhaust tone possible.
• Straight through exhaust system to maximize exhaust flow and minimize backpressure to boost performance.
• Full system is back up by a million mile warranty.

Dynomax 17615 Installer Turbo Muffler

• Aluminized steel construction for corrosion resistance and durability.
• Spot welded bushings provide stability and system support.
• Spun-locked heads for rupture resistance.
• Tri-flow design provides installers and DIY customers with classic acoustics.
• Universal mufflers may require modifications to complete installation.

NEW FLOWMASTER SUPER 44 SERIES CHAMBERED MUFFLER,3" CENTER INLET & OUTLET,BLACK

• Brand New Flowmaster Super 44 Series Chambered Muffler, 3" Center Inlet & Outlet, Black (Holley Part #943045).
• Flowmaster Super 44 muffler uses the same Delta Flow technology found in our larger Super 40 mufflers. The Super 44 delivers a powerful rich tone and is the most aggressive, deepest sounding, highest performing 4" case street muffler we have ever built! Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability..
• Features: Deep Aggressive Sound Exhaust Note | Noticeable interior resonance | Recent 2 chamber improvement | Race proven Delta Flow technology.
• NOTE: Universal Muffler - Not a direct fit. Some adaptation required..

DNA Motoring CBE-FM99-37L 2.5

• Made of high quality T-304 Stainless Steel with computerized mandrel-bends for strength and durability.
• Aluminized finish for increased durability and inhibits rust.
• 2.5" OD mm inlet/ 2.5" OD mm main piping.
• Aggressive deep and smooth tone sound while ensures smooth exhaust gas flow.
• Easy to install and adjustable fit slip fit joints.

Delkevic US Forestry Approved Spark Arrestor for 13" and longer Delkevic Oval and Tri-Oval Mufflers

• Compatible with Delkevic street bike mufflers.
• Fits first generation 13" tri-oval mufflers with turn down outlet. Does not fit tapered end cap..