Best Free flowing Mufflers

Dynomax 53068 Exhaust Tail Pipe

• IMPROVED FLOW CAPACITY -- Mandrel bends (where applicable) improve flow capacity over traditional bends while increased pipe diameter from OE sizes....
• 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 aluminized 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....

BadlanzHPE Dual Cutout Custom Ypipe Accessory, 3.0 INCH

• SIGNATURE MAGNAFLOW SOUND - The 4" x 4" Round body of muffler 14419 is engineered to deliver the deep, resonating sound that MagnaFlow mufflers are famous for..
• DYNO-PROVEN PERFORMANCE - Extensive dyno testing is used to ensure that this 4" x 4" Round muffler increases engine power and performance by improving the flow dynamics and evacuation of exhaust gases..
• OPTIMAL ARCHITECTURE & CONSTRUCTION - The internal architecture of this muffler features a straight-through perforated core with two-stage acoustic packing which maintains the velocity of exhaust flow while generating a smooth, deep exhaust tone. Proudly made in the USA..
• UNIVERSAL FITMENT - 14419’s universal design enables custom muffler placement and orientation to meet the particular spacing and mechanical requirements of your vehicle. Professional installation is highly recommended..
• LIMITED LIFETIME CONSTRUCTION WARRANTY - Performance that lasts. Enjoy worry-free ownership knowing that you're backed by MagnaFlow’s limited lifetime construction warranty..

BRAND NEW FLOWMASTER OUTLAW CAT-BACK EXHAUST SYSTEM,3

• Brand New Flowmaster Outlaw Cat-Back Exhaust System, 3" Stainless Steel Pipes, Dual Out Rear, Compatible with 2015-2017 Mustang GT 5.0L Coupe (Holley Part #817734).
• Flowmaster Outlaw Cat-back exhaust system is perfect for the person looking for a deep & very aggressive sound level inside & outside the car. This bolt-on emissions-legal system features our exclusive dual 3" Scavenger Series X-pipe for maximum power & a deep unique sound..
• The stainless steel X-pipe flows into a pair of our race proven Outlaw Series mufflers & exits into dual mandrel-bent 3" stainless steel tailpipes which are finished off with large 4" polished stainless steel tips. The system is designed for an easy fit & includes all necessary parts & hardware for an easy install..
• Features: Includes our Exclusive Scavenger Series X-pipe | Very Aggressive Interior & Exterior Sound | Uses the Factory Hanger Locations | Dyno Tuned For Maximum Power | Race-proven Outlaw Mufflers | Stainless Steel Construction.

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