- New Items
- Sale Items
- Chassis
- Brakes
- Wheels
- Suspension
- Engine
- Electrical
- Fuel System
- Exhaust
- Accessories
- Tools
- Hardware
- XS400 Parts
- Product Search
Systems, Mufflers, Headpipes, Gaskets, Brackets
- Systems, Original Reproduction Mufflers, Headpipes and parts
- Systems, Mufflers, Headpipes, Gaskets, Brackets
2-1 XS Performance Headpipe Set
2-1 Chrome XS Performance Headpipe Set with collector.
1 1/2" OD Headpipes with Finned Headclamps 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
1 1/2" OD Headpipes with Finned Headclamps 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
Finned Head Clamps-XS Perf. Headpipes
Finned Head Clamps-XS Perf. Headpipes. 43mm id (2 3/4"), 70mm center to center of holes. 12.5mm thick.
XS Performance Reverse Cone Megaphone Muffler
XS Performance Reverse Cone Megaphone Muffler - 17.25" long, 3.75" end Dia. 1.75" inlet.
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.
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.
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.
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
XS Performance Reverse Cone Megaphone Muffler - 17.25" long, 3.75" end Dia., 1.75" inlet.
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".
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".
Headpipe Exhaust Gaskets
Temporarily out of stock. Expected deliver February 2012.
Headpipe Exhaust Gaskets - (Pk./2) - Original Yamaha type - Fits: All 650's
1970-84. OEM Ref.# 256/3GD-14613-00, 90430-38054
Also fits: SR500 E/F/G/G 78-81, XT500 C/D/E/F/H 76-81
OEM Reference #
• 256-14613-00
• 3GD-14613-00
• 90430-38054
Exhaust Stud Acorn/Crown Nuts & Locks
Exhaust Stud Acorn/Crown Nuts & Locks - 8 pc. set
Correct type Chrome Steel Crown Nuts and matching stainless steel lock washers
OEM Reference #
• 95380-10800-00
• 92990-08100-00
Ascot Headpipe Set
Ascot Headpipe Set for custom exhaust fabrication.
Cut kickups off ends to suit your custom application.
42mmOD Includes OEM type finned headclamps.
Cut kickups off ends to suit your custom application.
42mmOD Includes OEM type finned headclamps.
Ascot Headpipe Set - Type 2
Ascot Headpipe Set for custom exhaust fabrication (New type 2). Left
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.
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
Chrome Replacement Headpipes - 1 1/2" OD x 1 3/8" (35mm.) ID x 35" Long with
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
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
Stainless Steel XS Performance Headpipe Set - 1.75" (45mm.) OD x 1.65" (42mm.)
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)
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
Dyno Developed Headpipe Torque Inserts (1 set/2). Inserts increase low end
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.
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
Exhaust Studs for Cylinder Head - 10mm. x M1.25 x 43mm. Long with plated finish.
Fits All 650's 1970-84
OEM Reference #
• 306-14651-00
• 90116-10195-00
• 306-14651-00-00
• 90116-10195-00
Headpipe to frame Bolt
Bolt - Fastens stock XS650 headpipe lower flange to frame.
10mm. x M1.25 x 20mm. with 17mm. hex head
OEM Reference #
• 90105-10058-00
WARNING: Most universal aftermarket mufflers will Not work with 1978-84 XS650
"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
"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
Commando Style dyno tuned* Megaphone Muffler.
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.
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
Commando Style dyno tuned* Universal Megaphone Muffler.
* 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.
* 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.
New type Baffle for 07-0015/65
New type Baffle for 07-0015/65.
94mm od large end, 40mm od small end, 335 mm long.
94mm od large end, 40mm od small end, 335 mm long.
Taper Tip Muffler
Free flowing chromed Taper Tip Muffler
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.
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.
Old Brit Style Muffler with long inlet pipe
Old British Style Muffler with long inlet pipe (to clear foot controls).
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.
Note: Center stand must be removed or modified (bent) as
stand loop on LH side will not quite clear muffler casing.
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.
Note: Center stand must be removed or modified (bent) as
stand loop on LH side will not quite clear muffler casing.
Replacement Reducer Sleeve Set
Replacement Reducer Sleeve Set to fit our universal mufflers. 3 pc. set reduces
mufflers to 1 5/8", 1 1/2" or 1 3/8" Fits part numbers - 07-0012/14/15/65
mufflers to 1 5/8", 1 1/2" or 1 3/8" Fits part numbers - 07-0012/14/15/65
Muffler Reducer Sleeve
One piece muffler Reducer Sleeve. Sleeve is 1" Long and reduces
mufflers with 44-45mm. ID (1.75") down to 38mm. (1.5")
mufflers with 44-45mm. ID (1.75") down to 38mm. (1.5")
Exhaust Muffler cross over Joint Gasket
Gasket - OEM Exhaust Muffler cross over Joint Gasket. OEM# 2G2-14714-00
Fits: Yamaha original Exhaust - XS650 E/SE/SF/2F/SG-SK (1978-83).
OEM Reference #
• 2G2-14714-00
• 3JJ-14653-00-00
Muffler Joint Gasket
Muffler Joint Gasket - Fits: Original Headpipes to Muffler Joint on
Standard Models - XS650B/C/D/E/F (1975-79), TX650A (74) models with
40mm. (1.57") headpipes. Gasket - 46mm. OD x 40mm. ID x 11mm. Long
OEM Ref. # 371-14714-03
OEM Reference #
• 371-14714-03
Muffler Joint Gasket
Fits into original muffler joint nut as used on
stock mufflers on XS1/XS1b/XS2 (1970-72) and
(1970-72) and 1973 TX650. Also fits to our
#07-0749/0750 systems. Approx 43mm od, 38mm id, 2.5mm thick.
OEM Reference #
• 256-14714-00
Rubber bumper
Rubber Bumper - OEM original Stand stop Rubber - Also for use with aftermarket
muffler center stand stops. 1" Dia x 9/16" Long - Fits into 3/8" (10mm) Hole
OEM Ref. # 278-27114-00/01/A0, 371-27114-00-00
Used on All TX/XS650's 1974-84 - (Some models use 2 pc.)
Rubber bumper is mounted to muffler and/or frame.
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 XS/TX 650's
Center Stand Stop Rubber fits to stock muffler on 1970-73 XS/TX 650's
OEM Reference #
• 116-27114
Metal center stand stop bracket
Metal center stand stop bracket. Black - 3 5/8" long with oblong mount hole
(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.
(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
Metal center stand stop bracket. Black - 4 5/8" long with oblong mount hole. 3mm thick.
Metal center stand stop bracket
Metal center stand stop bracket. Black - 6 1/4"" long with oblong mount hole. 3 mm thick.
Center Clamp
1 5/8" Chrome Heavy Duty Center Clamp with Nut & bolt.
Fits: MAC 2-1 at Y and 2-2 at collector.
Fits: MAC 2-1 at Y and 2-2 at collector.
Finned Exhaust Flange
Chrome plated OEM Style Finned Exhaust Flange for exhaust Headpipes 45mm. ID,
13mm. thick (back is flat), 10mm. stud holes @ 70mm. center to center.
Fits: our XS# 07-0758 Stainless Headpipes or for custom use.
13mm. thick (back is flat), 10mm. stud holes @ 70mm. center to center.
Fits: our XS# 07-0758 Stainless Headpipes or for custom use.
Hanger strap
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
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
