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2 into 1 High Performance Exhaust System for Models w/Center Footpegs Only - 1016

  • Part #:
    H44013
  • Mfg Part #:
    1016
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2 into 1 High Performance Exhaust System for Models w/Center Footpegs Only - 1016

  • Part #:
    H44013
  • Mfg Part #:
    1016
MSRP: $814.00

Price: $650.32 20% off!
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Thunderheader 2 into 1 High Performance Exhaust System for Models w/Center Footpegs Only - 1016
  • Designed to give maximum horsepower without sacrificing low-end torque
  • 2-into-1 systems with patented collector design that directs spent exhaust gases in a spiral motion through four acoustical damping chambers
  • Exhaust travels through these chambers at high velocity to scavenge spent exhaust gases from the combustion chamber and bring in a fresh charge of air/fuel mixture
  • Anti-reversion design works to impede reverse flow through the system -- reverse flow can contaminate the incoming fuel/air mixture, which reduces performance and throttle response
  • As reverse flow enters the collector, the diffuser deflects it through vents; the pyramidal trap and apertures impede the reverse flow, allowing time for the exhaust valve to close
  • Flow director has equal area at each end, allowing exhaust gases to travel at a constant velocity over the entire length to improve exhaust scavenging
  • For heat shields, order the following: H25-039 13 1/2" top rear; H25-029 13 1/2" collector and H25-035 14" top front


Included Items:
(1) Header
(1) Hex Bolt (5/16-18 x 1 in.)
(8) Flat Washers (5/16 in.
(4) Lock Washers (5/16 in.)
(4) Nuts (5/16 in.)
(2) Hex Bolts (5/16-24 x 3/4 in.)
(2) Hex Bolts ( 5/16-18 x 1-1/4 in.)
(1) Hex Bolt (5/16-18 x 2-1/4 in.)
(1) Link Strap
(2) Spacers (5/8 in.)
(1) Support Strap
(1) "P" Clamp
(1) Rubber Mount
(2) Locknut (5/16-24 in.)

NOTE: For models listed with center footpegs

Not all products are legal for sale or use on pollution controlled vehicles. Check your local laws and the manufacturers information

There is no warranty on exhaust pipes and mufflers with regard to any discoloration. Discoloration (bluing) is the result of tuning characteristics, cam timing, carburetor jetting, overheating, etc., and is not caused by defective manufacturing. See the CHEMS/LUBES section for products that will help prevent or remove bluing.

Installation of a new exhaust system may change your motorcycles fuel-air mixture requirements. Please consult the exhaust manufacturer directly with questions regarding any modifications that may need to be made during, or after, installing their product. If a jet kit or fuel processor is recommended, see the FUEL/INTAKE section



The Air Resources Board (ARB) does not permit the use of aftermarket emission-related parts that alter the air/fuel ratio of an emission-controlled vehicle. Due to these legal restrictions this part cannot be shipped to California.

Specifications
Color Chrome
Finish Chrome
Mfg #: 1016
Part #: H44013
Style Tapered Tip
Type 2-Into-1 System
Units Each
Weight 19.81 lbs
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Resources & Manuals
Fitment for Thunderheader 2 into 1 High Performance Exhaust System for Models w/Center Footpegs Only - 1016

Part H44013 fits the following machines

Harley-Davidson
  • Low Rider - FXRS 1987-1992
  • Low Rider Chrome - FXRC 1987
  • Low Rider Convertible - FXRS-CONV 1990-1993
  • Low Rider Custom - FXLR 1987-1988
  • Low Rider Sport - FXRS-SP 1987-1993
  • Super Glide - FXR 1987-1994
Reviews & Questions
Start typing your question and we'll check if it was already asked and answered. Learn More
Browse 9 questions Browse 9 questions and 11 answers
I have a 1999 FXR2 and the fitment guide says the 1016 will not fit. I think this may be a system error? Please let me know.I would like to purchase today.
Stephen L on Jul 9, 2018
BEST ANSWER: Can't answer for sure, but I think it should. If Harley made any changes to how the exhaust mounted on the later FXR2 models it would be where it bolts up to the mounting bracket coming off of the motor. If it were me I would buy it and if the tab that mounts the header to the bracket doesn't line up exactly I'd modify it to fit. It would be an easy modification to do. Hope this helps.

Jim
Does mounting bracket and hardware come with?
A shopper on Apr 6, 2017
BEST ANSWER: YEs it does reuse your exhaust flanges heat Shields are extra it comes with trans mount and bolts .thunder headers are a great pipe
Does the mounting bracket install on transmission end cover?
A shopper on Aug 17, 2020
BEST ANSWER: https://www.denniskirk.com/dk/pdf/instructions/h4/dkh44013.pdf
Why wouldn’t this fit the 86 FXR?
Logan Z on Apr 7, 2019
BEST ANSWER: See fitment tab for correct fits
The listing says center pegs only. Does it clear the highway pegs?
Greg V on Aug 3, 2018
BEST ANSWER: Yes
Will this product be in the way of a kick starter?
Karl F on Sep 27, 2017
BEST ANSWER: Yes
can you buy the 1016 hardware & mounting bracket kit separate?
A shopper on Sep 17, 2017
BEST ANSWER: We don't have the replacement parts
You will have to contact manufacturer
Will you ship to california?
A shopper on Jan 31, 2017
BEST ANSWER: Thank you for your inquiry. To find shipping charges, you may place your order online at www.denniskirk.com Once you have entered your shipping address, you will see your shipping options along with the charges before you complete your order.
Does this Thunderheader come in Black ?
Rob H on Sep 13, 2016
BEST ANSWER: Unfortunately I cannot locate a black option for this exhaust.
4.3 / 5.0
18 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
11
5
0
1
1
Finish
4.8 / 5
Fit
4.3 / 5
Performance
4.8 / 5
Styling
4.5 / 5
Value
4.0 / 5
Loudness
Very Quiet
Average
Very Loud
Would you recommend this product?
Yes (5)
No (1)
Finish
4 / 5
Performance
5 / 5
instant horsepower
best addition to my motor yet..horsepower increase you can feel in the seat of your pants ...product was expertly packaged and arrived in perfect condition .....
January 18, 2011
Finish
5 / 5
Performance
5 / 5
The right pipe-apology long review
The right sound, easy to install, 10HP, 20FtLbs Torque bolt-on. Get the shield kit or cook your leg.
Yes it's a bit louder than VH duals. But a deeper, respectful, commanding duntDunt. Not the obnoxious blatBlat from the BigRadius 2-1.
So I got a free Dynotune from a dealer, who dyno'd it the next week with only this $650 mod (with shields). From 94HP/104# torque to 104hp/124#torque.
Provides the performance I needed from stock on my '09 FXDFSE. Dynotune is a must from stock-it turned my skoot to a monster.
Buy 2 rear tires, cause they won't last.
Comes with O2 ports, perfect fitment, mounting bracket and all you need minus the head port gasket (why not? -it's right there and $5 pair).
25 mins to install, no fancy tools except a swivel socket extension. And ale-pale Ale.
January 28, 2014
Finish
4 / 5
Performance
5 / 5
No Review Title Entered By User
Need longer bolts to mount bracket to transmission
Tight fit between pipe and foot-board - slotted hole would be helpful
January 19, 2011
Mpls, MN
Finish
5 / 5
Fit
5 / 5
Performance
5 / 5
Styling
5 / 5
Value
5 / 5
Would you recommend this product?
Yes
Good price on the thunder header
October 27, 2016
Finish
5 / 5
Fit
4 / 5
Loudness
Very Quiet
Average
Very Loud
Performance
5 / 5
Styling
5 / 5
Value
5 / 5
Would you recommend this product?
Yes
fit my1999 FXR3
took off 19 year old Samson headers that were starting to rust out put these on, easy fit . sounds great . didn't like the rear bracket so I left it off dose not seem to be a problem ,
November 29, 2019
Selden, NY
Purchased
10 months ago
Finish
4 / 5
Fit
4 / 5
Loudness
Very Quiet
Average
Very Loud
Performance
5 / 5
Styling
3 / 5
Value
4 / 5
Would you recommend this product?
Yes
Thunderheader is the one of the best performance and unique sounding exhaust.
August 16, 2016
Purchased
over 4 years ago
Finish
5 / 5
Performance
5 / 5
Great addition
I recently purchased a 2001 Dyna Low rider with 7000 miles from a great previous owner that did very little to the bike but maintain it. He did put a Mikuni carb on it. My plan was to do the bike up right and quick..two weeks...but tasteful. I added the intake and cleaner and quite a few other items to dress the bike up to my style. Most importantly I waited until last to do the exhaust, so I called Mikuni and talked to Steve...told him what I was doing and asked for his advice. Afterwards, given my style I was going for and the performance I was seeking, he offered the Thunderheader as a choice. He explained that since I lowered the bike and wanted performance, this was a good choice. I forgot to mention, this is my first bike, and I did all the work and upgrading myself. This pipe couldn't have fit better and easier. Awesome piece of equipment!
July 11, 2013
Pittsburgh, PA
Finish
4 / 5
Performance
5 / 5
wanna make your bike sound like a drag bike?
very good investment for the price. It is only loud when you really twist the wick. Really increased the torque curve.At 65 or above you will really feel the push all the way up to where you think you are going to take off.At 120 you still can feel the torque pushing you back.
January 25, 2012
Finish
5 / 5
Performance
5 / 5
Thunderheader Exhaust
Love the way this exhaust sounds on my fatboy. My husband has one on his roadking and we are very impressed!
January 6, 2012
Finish
5 / 5
Performance
5 / 5
No Review Title Entered By User
No Review Text Entered By User
May 18, 2010