HMF

HMF Performance Series Complete Exhaust - Dual

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11 Reviews
36 Questions
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Item #HMF000I

Setting the standard for power and value, the HMF Performance Series has been track tested with over a decade of championships. The specially designed, unrestricted core provides maximum flow and allows the exhaust to increase horse power and torque evenly throughout the entire power curve. The trademark to the HMF Performance Series is the exhaust's sound. With a deep, aggressive sound, you'll typically see a 2 - 10 dB increase from the stock exhaust system.

Powersports full dual system.
Designed for 4-stroke sport quads.
304 stainless steel headers and inlets.
T-6061 aerospace-grade aluminum canisters.
TIG welded aluminum brackets.
Heavy-duty stainless steel rivets.
Two-piece billet end caps that accept a U.S.F.S.-approved spark arrestor (included) and the exclusive HMF quick-change low dB Quiet Core (sold separately).
Packed with Bristol Core brand pillow packing.
Hardware included.
Sold as a kit.
Includes installation instructions.
Two-year manufacturer's warranty.
Manufactured in the U.S.A.
Notes: Fuel tuning is required for most models. HMF Exhausts are designed for closed course competition ONLY.

Equal Power: The Performance Series distributes power evenly throughout the entire RPM range.

2 - 10 dB Increase: Depending on the model, you can expect a 2 - 10 dB increase over stock.

Unrestricted Core: The Performance Series uses a 2-1/8" non-restrictive core for maximum flow.

Less Weight: The exhaust shell is made of T6061 Aluminum that weighs substantially less than stock.

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4.9 out of 5 stars

10 reviews
1 reviews
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Emmitt

Verified Purchaser

1 year 6 months ago Boston, Ma

Great product

Great system easy to install and looks great. Sounds great and the bike performs better with a little tuning.

El Tacoma 408

Verified Purchaser

1 year 8 months ago San Jose ca

New hmf exhaust

Sick I love the sound

Johnny

Verified Purchaser

1 year 9 months ago Va

Looks great, sounds freat

Bought this and a hot cams stage 2 cam at the same time, can't really say how much power the exhaust alone gave me. My brother has hmf slip on and mine is a little more of a deep sound. Would definitely recommend. Looks great, fit perfect, install was simple.

emykaboom

Verified Purchaser

1 year 9 months ago Texas

Great Performance!

I love the look of the exhaust and the added performance, it turned out to be a little too loud for my taste. I’m hoping there is something to add that will muffle the sound without affecting the performance. Other than that I couldn’t be happier with the increase in throttle response and the clean look.

Jamel

Verified Purchaser

2 years 2 months ago Plymouth nc

Best shipping available

Nice loud pipe sounds good i called around to get it installed but prices was nearly the same as buying the pipe again so i ended up trying to do and got it done it wasnt as bad as i thought i highly Recommend

Jmabe94

Verified Purchaser

Over 3 years ago

Great exhaust system!

Bought the full system for my 2014 trx450r and it does perfect, with a new air filter and jet kit it really brought it too life, tons more torque and sounds amazing! Very loud! Perfect.

Woody400

Over 3 years ago

Fast and loud

Have this hmf pipe on my 400ex. This pipe has a nice deep tone and and really opens your quad. My 400 is SUPER loud and really throaty and snappy.

motoguy450r

Over 6 years ago

This is a awesome pipe

I got this for my 2013 Honda trx450er and as soon as I took it for a rip I felt a huge difference in power im done using fmf I think im gonna use hmf from now on I would defiantly recommend this to anyone.

hhRockstar400EX

Over 10 years ago Tulsa, OK

Awesome product.

I picked this pipe up on recommendation from a friend, and with the custom jetting and uni filter, and lack of air box lid this thing screams. I love it, but would not recommend it to anyone that doesn't want to be loud. the pipe is legal for trails, but is definately pushing the limit.

colt454545454545

Over 11 years ago

Awsome

i bought this exhaust from a different site becouse i got it in a candy blue powder coat for my ltz 400. but this is a awsome exhaust before i got this i could barley get a wheelie going in second now i can get a wheelie going in 3rd and even 4th if i pull realy realy hard. it added alot of speed and hp. i put the quiet core in it and its still loud but now legal on trail and sounds awsome. 100% happy with the outcome

Answered: 36
Not Yet: 0

Ask a question

Question asked by Adam

Question: Does this kit come with the fuel tuner needed for a 2018 kodiak 700 fuel injection? I do not see this listed in the kit. Question asked Over 10 months ago Answer this Question: Question answered by JerryGearhead

User's contributor status: Top 25
Question answered Over 10 months ago
Answer: The kit itself is just the exhaust system, you will need to purchase the tuner separately.

Question asked by drew

Question: Can you show me what i would get for my 2014 trx 400 if I ordered a pipe today? Question asked Over 10 months ago Answer this Question: Question answered by robert

User's contributor status: Top 10
Question answered Over 10 months ago
Answer: Here is the image listed on HMF for a 2014 trx 400.

Question asked by Beezy

Question: Would this fit on my 2006 Suzuki ltz 400? Question asked Over 10 months ago Answer this Question: Question answered by Paul

User's contributor status: Top 1
Question answered Over 10 months ago
Answer: Yes, the HMF Performance Series Complete Exhaust is available specifically to fit the 2003 to 2014 Suzuki LTZ400.

Question asked by drew

Question: Can you send me the picture of the actual pipe I would get for my 2014 Trx 400x? Question asked Over 11 months ago Answer this Question: Question answered by Paul

User's contributor status: Top 1
Question answered Over 11 months ago
Answer: Please disregard our photo of the HMF Performance Series Complete Exhaust. The photo shown may or may not be the unit specific to your motorcycle or ATV.
If you correctly profile your 2014 Honda TRX400X including the model year, we will send you the specific unit to precisely fit your ATV.

Question asked by 12vtodd

Question: What jet kit would I need to use if I put this on a 2006 yfz450? Question asked Over 11 months ago Answer this Question: Question answered by Paul

User's contributor status: Top 1
Question answered Over 11 months ago
Answer: We can't know exactly which size jet you will need until after you install the new muffler. The Jet Kits come with a variety of jets to allow you to fine-tune your carburetion for any particular conditions.
Whether for a sport bike, dirt bike, cruiser, or ATV, an after-market exhaust system or a slip-on muffler will improve the performance of your motorcycle, which is particularly important for the race track and competition.
The stock exhaust systems are designed to meet the emissions and noise-level restrictions set in place by most federal, state, and local authorities, and laws vary from state to state. It’s important that everyone check with local laws to understand what changes to your stock exhaust system are permitted.
Most after-market exhaust parts are lighter weight than the originals from the manufacturers. Most after-market exhaust parts allow the exhaust to flow more freely, and with reduced back pressure, and thereby improve performance. Performance improvements might be achieved with higher horse power and top end speed, or tuned for better low-end torque and quicker acceleration.
Allowing the exhaust to flow with less restriction usually demands adjusting and retuning of the fuel/air system, whether it is carbureted or fuel injected. In many cases, you might not know whether or not adjustment or retuning is needed until after you installed the new exhaust and taken it out for test-ride.
Some carburetors allow you to adjust the fuel/air ratio and the idle, but in some cases, changing the exhaust might require rejetting. Check out the simple guide to rejetting your carburetors: http://www.motosport.com/blog/a-simple-guide-to-jetting-your-carb

Question asked by Elopez

Question: Will it fit my 2019 raptor 700r special edition? Question asked Over 11 months ago Answer this Question: Question answered by JerryGearhead

User's contributor status: Top 25
Question answered Over 11 months ago
Answer: Yes, this exhaust will fit your Raptor.

Question asked by shon

Question: The exhaust listed isnt the same as the photo Question asked 1 year ago Answer this Question: Question answered by Paul

User's contributor status: Top 1
Question answered 1 year ago
Answer: Please disregard our photo of the HMF Performance Series Complete Exhaust. The photo shown may or may not be the unit specific to your motorcycle or ATV.
If you correctly profile your ATV, including the model year, we will send you the specific unit to precisely fit your vehicle.

Question asked by Fede16

Question: Will this fit in a can am dsx450 atv? Question asked 1 year ago Answer this Question: Question answered by Isaac

User's contributor status: Top 10
Question answered 1 year ago
Answer: Unfortunately we do not offer that exhaust for your model.

Question asked by isaac

Question: Will it fit on a renegade 1000 Question asked 1 year ago Answer this Question: Question answered by DaveGearhead

User's contributor status: Top 10
Question answered 1 year ago
Answer: Depending on the year, yes, it will fit that ATV.

Question asked by Tccaldwel

Question: So it’s comes with a header pipe? Question asked 1 year 7 months ago Answer this Question: Question answered by TylerGearhead

User's contributor status: Top 25
Question answered 1 year 7 months ago
Answer: Yes, a complete exhaust system comes with a new header.

1 - 10 of 36

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Product Variant	Manufacturer Part #
Black	016502636171, 035396636171
Blackout	014386638892, 01660a638892, 035596638892, 035506608892, 035556608892
Brushed	01660a636071, 035396636071
Brushed Aluminum	026266606071, 016436606071, 014386636071, 035696636086
Polished Aluminum	026266606071
Red	035696636692

WARNING: This product contains chemicals, including (Glass wool fibers (inhalable and biopersistent)), known to the State of California to cause cancer, and birth defects or other reproductive harm. Wash hands after handling. For more information, go to www.P65Warnings.ca.gov.

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HMF Performance Series Complete Exhaust - Dual

Description

11 Reviews