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Systems, Mufflers, Headpipes, Gaskets, Brackets
- Systems, Original Reproduction Mufflers, Headpipes and parts
- Systems, Mufflers, Headpipes, Gaskets, Brackets
2-1 XS Performance Headpipe Set
This product is temporarily out of stock - expected delivery Summer 20132-1 Chrome XS Performance Headpipe Set with collector. XS650 (80-84),
1 1/2" OD Headpipes with finned clamp and a collector pipe
(45.3mm.OD)with a slight kick up.
Note: Muffler NOT Included.
In Dyno Development this system with a free flowing muffler
added and unprecedented 10HP+ rear wheel to a completely stock 1980 XS650.
Designed to work with our taper Tip #07-0041 muffler or our
#07-0114 short megaphone or any free flowing muffler that will fit
onto the 45.3mm (1.783") OD collector. This system produces more
power than any other we have tested or developed.
Dyno Test Sheet
Muffler Connecting Gasket XS400 XS650 XS750 XS850 XS1100
OEM Reference #
• 1L9-14714-01
Muffler Connecting Gasket Yamaha SR500
OEM Reference #
• 2J2-14714-00
Exhaust Pipe Gasket Yamaha RD350 RD500
Fits: DT125 LC 82, DT125 E 76-79, DT125 R 91-94, DT175 MX78-81, RD350 1975, RD350 A/B 1973-75, RD500 LC 1984-85
"Dunstall" style Universal 27 3/4" motorcycle muffler wide mouth
Removable fiberglass baffle.
Includes inlet clamp, sliding bracket and 1 3/4", 1 5/8" and 1 1/2" id adapters. 27 1/4" long. Sold EACH.
44mm (1.73")
"Dunstall" style replica Universal 27 3/4" motorcycle muffler reverse cone
Non removable metal baffle
Includes inlet clamp, sliding bracket, 1 3/4", 1 5/8", and 1 1/2" id adapters. 27 3/4" long. Sold EACH.
Megaphone Bell End upswept style motorcycle muffler set
1 3/4" inlet with reducers for 1 5/8 and 1 1/2.
Finned Head Clamps-XS Perf. Headpipes
Builder Exhaust kit TC Bros Choppers XS650
Megaphone Bell End style motorcycle muffler - Left
Removable metal baffle.
Includes hanger and reducer set.
Megaphone Bell End style motorcycle muffler - right
Removable metal baffle.
Includes hanger and reducer set.
Upswept Megaphone muffler - slashcut 32"
Removable baffle.
1 3/4" inlet, 1 7/8" OD, fit right and left.
Includes hanger and reducer set.
20mm (0.79")
Universal Megaphone muffler 19.7"
Has less than 1" exit hole. Perfect for bikes with 400cc and under. Not for XS650.
Non-removable baffle.
1 3/4" ID 1 7/8" OD. Includes hanger and reducer set.
20mm (0.79")
Universal Megaphone muffler 19.7" Black
Has less than 1" exit hole. Perfect for bikes with 400cc and under. Not for XS650.
Non-removable baffle.
1 3/4" ID 1 7/8" OD. Includes hanger and reducer set.
Cafe Muffler 19" chrome
This is a great look for vintage Yamaha's.
** Included fittings
Cafe Muffler 19" flat black
This is a great look for vintage Yamaha's.
** Includes fittings
Shorty Megaphone Muffler 12"
Removable baffle.
1 3/4" ID, 1 7/8" OD, 2 3/8" body diameter.
Includes hanger.
28mm (1.10")
Megaphone Reverse Cone Muffler 26.6"
Non-removable metal baffle.
OD 1 1/2", ID 1 3/8". No hardware included.
32.8mm (1.29")
24" Slashcut motorcycle Muffler
Removable baffle.
1 3/4" ID 1 7/8" OD. Includes hanger and reducer.
20mm ().79")
Megaphone Bell End muffler 21"
Outlet is less than 1". Perfect for 400cc and under bikes. Not for XS650.
Non-removable fiberglass baffle.
1 3/4" ID 1 7/8" OD. Included hanger and reducers.
21mm (0.79")
Megaphone Bell End muffler 24"
Outlet is less than 1" Perfect for 400cc and under bikes. Not for XS650.
1 3/4" ID 1 7/8" OD. Includes hanger and reducers.
24mm (0.79")
Turn Out Muffler 16"
This product is temporarily out of stock.Turn Out Muffler 16"
1 3/4" ID 1 7/8" OD
48mm (1.89")
28" Cigarette Style Harley Dresser motorcycle muffler
Non-removable metal baffle.
1 3/4" ID 1 7/8" OD. No hardware included.
29.6mm (1.17")
Oval Megaphone Muffler 17.5"
Non-removable baffle.
1 3/4" ID 1 7/8" OD. Includes hanger and baffle.
45mm (1.77")
Norton style muffler 26.5"
1 3/8" ID
42mm (65")
18 3/4" Straight Trumpet motorcycle muffler
Removable metal baffle.
1 3/4" ID 1 7/8" OD. Includes hanger and reducer.
47mm (1.85")
20" Upswept Trumpet Left motorcycle muffler
Removable metal baffle.
1 3/4" ID, reducer set included.
47mm (1.85")
20" Upswept Trumpet Right motorcycle muffler
Metal removable baffle.
1 3/4" ID, reducer set included.
47mm (1.85")
Megaphone Reverse Cone - 19.5"
Non-removable metal baffle.
1 3/4" ID 1 7/8" OD. Includes hanger and reducer.
47mm (1.85")
15" slash cut muffler
1 3/4" ID 1 7/8" OD 2 3/8" body diameter
28mm (1.10")
XS Performance Reverse Cone Megaphone Muffler 17.25"
Adjustable Dyno tuned removable steel baffle. All mechanical design (No glass pack).
End cone fastened with 3 screws. Classic chromed sleek & short
design, nice tone. Upgraded adjustable heavy duty slider mount.
*** does not include pipe reducer sleeves
Fits: Our #07-0767 XS Performance 2-1 Headpipe Set and its 45.3mm
OD collector. Provides the maximum power and is still acceptable for
street use.
XS Performance Reverse Cone Megaphone Muffler 17.25"
Removable steel adjustable Dyno tuned baffle. All mechanical design (No glass pack).
End cone fastened with 3 screws. Classic chromed sleek & short
design, nice tone. Upgraded adjustable heavy duty slider mount.
Fits: Our #07-0767 XS Performance 2-1 Headpipe Set and its 45.3mm
OD collector. Provides the maximum power and is still acceptable for
street use.
Included a reducer sleeve set to fit this muffler to 1 3/4", 1 5/8",
1 1/2" and 1 3/8".
Yamaha, Suzuki, Kawasaki, Honda.
40mm (1.57")
Headpipe Exhaust Gaskets XS650 SR500 XT500
OEM Reference #
• 256-14613-00
• 3GD-14613-00
• 90430-38054
Exhaust Pipe Gasket Yamaha XS400 XS750 XS850 XS1100
Exhaust Stud Acorn/Crown Nuts & Locks
OEM Reference #
• 95380-10800-00
• 92990-08100-00
Ascot Headpipe Set 42mm OD
Cut kickups off ends to suit your custom application.
42mmOD Includes OEM type finned headclamps.
Ascot Headpipe Set - Type 2
Headpipe Passes under Engine. Right Headpipe passes under Clutch
(RH Engine cover) Case. 42mm OD Headpipe Include OEM type finned
headclamps.
Mufflers not included.
Accepts short megaphone or other short mufflers with a 42mm. (1 5/8")
Inside Diameter.
Note: Centerstand must be removed to use these headpipes.
Replacement Headpipes for Yamaha XS650 1970-84
a slight kickup on the ends. When Mounted the ends of the headpipes are approx.
5" past the back edge of the engine Clutch(RH) Cover.
New Removable Chromed OEM type Finned Headclamps included!
Fits: All 650's 1970-84
Replacement Headpipes for Yamaha XS650 1970-84
ID x 39" Long. When Mounted the ends of the headpipes are approx. 5" past the
back edge of the engine Clutch(RH) Cover. New Chromed OEM type Finned Headclamps
included! Fits: All 650's 1970-84
Fits: to our #07-0041, 07-0015 or 07-0014 Mufflers.
For maximum bottom end power these headpipes should be used with Headpipe
Exhaust port Torque optimizers (Diodes)
Headpipe Torque Inserts
torque that is lost when large Diameter headpipes are installed on the XS650.
CNC machined steel inserts fit our XS650 Exhaust #07-0768, 07-0753, 07-0751,
07-0752 and other headpipes with an inside diameter of 41mm. (1.61") or greater.
Exhaust Head Studs
OEM Reference #
• 306-14651-00
• 90116-10195-00
• 306-14651-00-00
• 90116-10195-00
Headpipe Set - XS1 muffler to 1974-84 XS650
Headpipe to frame Bolt
OEM Reference #
• 90105-10058-00
"Special" model headpipes (original Mufflers cut off) as the cutoff point is too far
forward and the aftermarket mufflers will interfere with the foot controls
Commando Style Megaphone Muffler 26"
An "XS Performance" part. Dyno tuned design by
Heiden Tuning for improved power at all RPM's and good sound.
Chrome Megaphone is 26" Long x 3 7/8" end Dia. with a welded
in mechanical steel baffle, welded on end cone and a reinforced
mounting bracket positioned to improve fit to the XS chassis.
Fits: to 1.5" inlet (38.5mm.) OD headpipes (no reducer sleeves) and
includes a hanger strap and clamp. Steel non-removable baffle.
Commando Style Universal Megaphone Muffler 26"
* An "XS Performance" part. Dyno tuned design by
Heiden Tuning for improved power at all RPM's and good sound.
Chrome Megaphone is 26" Long x 3 7/8" end Dia. with a welded
in mechanical steel baffle, welded on end cone and a reinforced
mounting bracket positioned to improve fit to the XS chassis.
Included a reducer sleeve set to fit this muffler to 1 3/4", 1 5/8",
1 1/2" and 1 3/8" headpipes and included a hanger trap and clamp.
1 3/4" ID, 1 7/8" OD.
Works with XS400 with modification to headpipes.
New type Baffle
This product is temporarily out of stock.New type Baffle Not for 07-0015/65.
94mm od large end, 40mm od small end, 335 mm long.
Ascot Muffler 17.25" long, 1.65" inlet, 3.75" od
Taper Tip Muffler 16"
Fits: 1 3/4" (45mm.) headpipes or 1.5" (38.5mm.) headpipes if used with
reducer sleeve supplied. 16" Long. Includes clamp and slider hanger strap.
Non-removable baffle. 1 3/4" ID 1 7/8 OD
Yamaha, Suzuki, Kawasaki, Honda.
Old Brit Style Muffler with long inlet pipe 29.5"
29.5" Long x 3.9"Dia., New Improved Baffle, Classic British Look for your XS!
Muffler fits to 38mm (1.5" inlet) OD Headpipes. Steel baffle, non-removable.
1 1/2" ID 1 5/8" OD
Note: Center stand must be removed or modified (bent) as
stand loop on LH side will not quite clear muffler casing.
Replacement Exhaust Reducer Sleeve Set
mufflers to 1 5/8", 1 1/2" or 1 3/8" Fits part numbers - 07-0012/14/15/65
Muffler Reducer Sleeve from 1.75" (45mm) to 1.5" (38mm)
mufflers with 44-45mm. ID (1.75") down to 38mm. (1.5")
Exhaust Muffler cross over Joint Gasket XS650
OEM Reference #
• 2G2-14714-00
• 3JJ-14653-00-00
Muffler Joint Gasket
OEM Reference #
• 371-14714-03
Rubber bumper
OEM Reference #
• 168-27114-00-00
• 278-27114-00
• 278-27114-01
• 278-27114-A0
• 371-27114-00-00
• 5G3-27114-00-00
Center Stand Stop Rubber fits to stock muffler on 1970-73 YamahaXS1 XS2 XS650 TX650
OEM Reference #
• 116-27114
Metal center stand stop bracket 3 5/8"
(mounts to passenger peg stud). This bracket is used with rubber center stand
bumper listed above to prevent metal to metal contact between center stand and
exhaust systems. 3mm thick.
Metal center stand stop bracket 4 5/8"
Metal center stand stop bracket 6 1/4"
1 1/2" Chrome Heavy Duty Exhaust Center Clamp
1 5/8" Center Exhaust Clamp
Fits: MAC 2-1 at Y and 2-2 at collector.
1 3/4" Exhaust Center Clamp
1 7/8" Exhaust Center Clamp
Fits: MAC & Universal Mufflers.
2 1/8" Center Exhaust Clamp
Fits: MAC 2-1 at collector.
Finned Exhaust Flange
13mm. thick (back is flat), 10mm. stud holes @ 70mm. center to center.
Fits: our XS# 07-0758 Stainless Headpipes or for custom use.
Steel Exhaust Bracket with Bolts
6" Chrome Exhaust Hanger strap
Exhaust Hanger strap 3 3/4"
Exhaust Hanger strap 2 1/8"
This product is temporarily out of stock.Straight Hanger Strap - Black - 2 1/8" with 1 round and 1 oblong hole. 3mm thick.
For custom use and also is the stock tie strap from the muffler joint nut Clamp
on the 1970-73 XS1, XS1b, XS2 & TX650
53mm long 33mm center to center of holes
Exhaust Hanger strap 5 9/16"
Offset Exhaust Hanger strap 3 3/4"
Offset Exhaust Hanger strap
30mm offset.









