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DLX Exhaust System Conversion
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Ron in MO Offline
Running Like a Top

O'Fallon, MO (St Louis)
Posts: 449
Joined: Dec 2015
Post: #1
DLX Exhaust System Conversion
I have seen several posts asking if the 2014 DLX four into two exhaust system can be installed on a 2013 CB1100 and the short answer is yes. It's not cheap! Even with picking up a set of used DLX headers and aftermarket slip-on mufflers, I spent right at $1,400 on this conversion.

Here is the Honda OEM parts you will need to purchase with prices from Pro Caliber. Note that the big dollar items are the left foot peg holder (left step holder) and left muffler cover. You can reuse the right muffler cover or not use muffler covers at all if you don't mind the black area behind the catalytic converters showing.

OEM Parts Needed for Four into Two Exhaust Conversion:
GASKET, EX. PIPE (4 @ $3.00)
Item #18291-MM5-860
HOLDER, L. STEP (1 @ $154.42)
Item #50750-MGC-N20
RUBBER, MUFFLER MOUNTING (1 @ $7.05)
Item #18421-MBT-D21
COLLAR, MUFFLER MOUNTING (1 @ $4.35)
Item #18422-MGC-N20
BOLT, SPECIAL FLANGE (8X50) (1 @ $3.76)
Item #90109-MZ5-000
WASHER (8.5X26) (1 @ $1.92)
Item #90504-ME4-000
NUT, FLANGE (8MM) (1 @ $0.95)
Item # 94050-08040
COVER, L. MUFFLER (1 @ $41.50)
Item #18525-MGC-N20
RUBBER, PROTECTOR MOUNTING (1 @ $1.59)
Item #18357-MCG-000
SCREW, SPECIAL (6X14) (1 @ $1.32)
Item #90114-MCJ-000
Total Cost: $228.86

This picture of the standard and deluxe left step holder, shows that you need the deluxe version for the muffler mounting bracket molded in at the rear.

İmage

Picture all my new parts:

İmage

Removal of the original four into one exhaust is pretty straight forward. You have to remove the center stand and pick up DLX stand, plus fabricate a new spring mount if you want to retain this capability. I have the DLX center stand, but haven't come up with the spring mount yet, so it's still off for now.

Picture of both center stands:

İmage

Mounting the right engine header is easy since it uses the same mount locations and hardware that the original system used on that side. When mounting the left engine header, you will have to fabricate a mount just ahead of where the transmission shift lever comes out of the engine. I used the OEM hardware and rested the rubber bushing on the frame and everything feels solid. Don't forget to install new exhaust port gaskets, since the originals will be smashed from the first header.

I picked up a set of Over Racing slip-on mufflers from Samurider and they really look like good quality units. Installation was very easy, once you install the new bushing hardware on the new left step holder. I didn't like the gap left in between the muffler connections and the header catalytic converter side covers so I took the stock muffler covers and cut them down to fit this gap. Then I bolted them to hose clamps to attach them. I think it turned out pretty well, but had to cut a slot in the left cover which allows the kickstand to fully retract.

İmage

All in all, this project went very well and the new sound it great! Not to mention that I love the looks! Now I'm waiting for my fairing, side covers and engine guards to get her ready for riding season.

Here are pictures of the finished product:

İmage

İmage

İmage

2013 CB1100, DLX Exhaust with Over Racing Mufflers, Road Comet Fairing, Corbin Seat, plus many other personalization upgrades. Cool
12-30-2015 05:50 PM
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clearviewx Offline
High Mileage

Western Mass
Posts: 964
Joined: Dec 2013
Post: #2
RE: DLX Exhaust System Conversion
Excellent job...That looks great and so much better....

2014 CB1100 Deluxe #244Excited
2002 CB750 Nighthawk #549Celebrate
You should of bought a DLX
12-30-2015 06:27 PM
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The ferret Offline
Forum Moderator

Ohio
Posts: 31,282
Joined: Apr 2013
Post: #3
RE: DLX Exhaust System Conversion
Wow great job Ron, bet those do sound good and the head pipes will always look great win win

.
Defender of the Realm
2014 DLX (the pleasure horse)
2021 NC750X DCT (Angry Bird)
12-30-2015 06:38 PM
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quietguy Offline
Running Like a Top

TX
Posts: 666
Joined: Dec 2015
Post: #4
RE: DLX Exhaust System Conversion
Wonderful job, Ron... Just to have pipes that won't discolor is almost worth the price of admission.
12-30-2015 06:46 PM
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Motogeezer1949 Offline
High Mileage

Winter Park Florida
Posts: 1,123
Joined: Jun 2014
Post: #5
RE: DLX Exhaust System Conversion
Looking good Wink

The ferret Jim Lucia, aka Motogeezer 1949
2010 BMW R1200RT
2014 Aprilia Tuono V4 APRS ABS
Past: Cafe'd 2014 CB1100DLX.
2016 Yamaha XSR900 60th. Anniversary
12-30-2015 07:07 PM
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Flynrider Offline
Been There

Phoenix, AZ
Posts: 3,233
Joined: Apr 2013
Post: #6
RE: DLX Exhaust System Conversion
Nice job, Ron! Slap a couple of DLX side covers on it and someone would have to look hard to tell it's a '13.

The chrome 4 into 2 is the feature I really wanted when the DLX came out. Just not enough to take the $$$ hit.

Looks great!

Phoenix, AZ
2013 CB1100 - Big Red
1993 CB750 Nighthawk - Tahitian Blue
12-30-2015 07:13 PM
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Ron in MO Offline
Running Like a Top

O'Fallon, MO (St Louis)
Posts: 449
Joined: Dec 2015
Post: #7
RE: DLX Exhaust System Conversion
Thanks, everyone! Little by little it's becoming what I had envisioned.

2013 CB1100, DLX Exhaust with Over Racing Mufflers, Road Comet Fairing, Corbin Seat, plus many other personalization upgrades. Cool
12-30-2015 07:30 PM
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Guth Offline
Forum Founder

Portland, OR
Posts: 3,918
Joined: Apr 2013
Post: #8
RE: DLX Exhaust System Conversion
Where there's a will there's a way. Nicely done!

The Honda CB1100: STILL air-COOLed
Deposit placed 11/12/2012.
Received delivery 04/05/2013.
12-30-2015 09:14 PM
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Lord Popgun Offline
I find your lack of RLETs disturbing

Virginia Beach
Posts: 10,442
Joined: Apr 2013
Post: #9
RE: DLX Exhaust System Conversion
Looks great! Can we see some pics of the mounting on the left side? Thanks.

If you come to a fork in the road, take it!
2013 CB1100
2012 ST1300
Holder of the CB1100Forum Secret Decoder Ring
12-31-2015 02:40 AM
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redbirds Offline
Been There

Patterson, GA, USA
Posts: 4,591
Joined: Jan 2014
Post: #10
RE: DLX Exhaust System Conversion
Thanks for posting the gear needed for the conversion. Looks fantastic, well done!

1 Cor 13:4-7 (NIV)
4 Love is patient, love is kind. It does not envy, it does not boast, it is not proud. 5 It does not dishonor others, it is not self-seeking, it is not easily angered, it keeps no record of wrongs. 6 Love does not delight in evil but rejoices with the truth.
12-31-2015 07:13 AM
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