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Q) Which is louder the Ultra Flo or the Super Turbo muffler?
A) The Ultra Flo is a straight through internal design and will have a deep throaty tone, while the Super Turbo has a 3 tubed internal design and will have a deep mellower tone that is quieter than the Ultra Flo.

Q) How do your mufflers sound compared to a Flowmaster?
A) The Flowmaster has a higher pitched frequency while ours has a lower toned frequency.

Q) Does a cat back kit include the converter?
A) No. A cat back kit is any or all of the components behind the factory converter.

Q) Can a Dynomax Bullet Race muffler be used as a resonator?
A) Yes. The Bullet Race muffler works very well as a resonator as it will not restrict the flow, but will slightly lower the dB of the system.

Q) What is a mandrel bent pipe?
A) A mandrel bent pipe is a smooth pipe without any serrations, for a higher flowing system

Q) Can I remove my converter for a higher performance system?
A) For street applications it is against the law to remove or alter a converter.

Q) How do the DynoMax VT™ mufflers eliminate drone?
A) DynoMax VT - "Valve Technology" - mufflers feature an exclusive, precisely calibrated internal valve that redirects exhaust flow during cruising conditions to provide Drone-Free Performance™.

Q) How will the DynoMax VT™ mufflers perform and sound when I hit the gas?
A) When you hammer the gas, the valve automatically opens for maximum exhaust flow, delivering on-demand performance and a deep, throaty drone-free sound.

Q) How long will the internal valve spring last?
A) The valve spring is constructed from a corrosion and heat resistant superalloy that is guaranteed to last the life of your vehicle. The high temperature properties of this material have exceeded extreme environmental testing with over 2,000,000 cycles.

Q) Do DynoMax VT™ mufflers have a chambered or straight-through design?
A) DynoMax VT™ mufflers feature a straight-through design that maximizes flow and power.

Q) What is the correct DynoMax VT™ muffler for my vehicle?
A) DynoMax VT™ mufflers are a universal muffler that can be installed on most vehicles. Please refer to the VT universal chart. You can select the desired muffler design (i.e. offset – center) and bushing size on the configuration chart. Next, determine your exhaust configuration (single or dual) and for single muffler applications, verify your engine size.

Q) Are there any recommendations for using DynoMax VT mufflers in a custom dual exhaust system?
A) The use of a balance tube (h-pipe or x-pipe) between the dual exhaust pipes will increase power and enhance the sound of the exhaust.

Q) Are DynoMax VT™ mufflers reversible?
A) No, the inlet side of the muffler is clearly marked in the body of the muffler.

Q) Are DynoMax VT™ mufflers stainless steel?
A) Yes, DynoMax VT™ mufflers are constructed from 409 stainless steel.

Q) What is "micro finish"?
A) Our "micro finish" is a cleaning process that provides a blemish free, satin finish to the exterior of the muffler.

Q) What is the warranty for DynoMax VT™ mufflers?
A) Limited lifetime warranty. Click here for more details.