HIGGSPEED EXPANSION CHAMBERS KAWASAKI TRIPLE KH250 KH400 KH500 H1 500 H2 750 S1 S2 S3 SAMURAI AVENGER YAMAHA RD350LC SUZUKI GT750 GT380 GT250 T250 GT125 GT185 T350 REBEL GT550 GT500 T500 X7 250 RD250 RD400 BENELLI 2C FS1E AP50 FANTIC GT RD125LC
QUALITY HAND BUILT STAINLESS STEEL EXPANSION CHAMBERS FOR THE SOUND OF THE 70'S!
 
 
ABOUT US AND CUSTOMER COMMENTS
 
 
PRICES AND PURCHASE INFORMATION
PRICES FOR EXPANSION CHAMBERS
 
 
CONTACT US
 
 
KAWASAKI PAGE
 
 
SUZUKI PAGE
SUZUKI EXPANSION CHAMBERS 2 STROKE EXHAUSTS
 
 
YAMAHA PAGE
YAMAHA 2 STROKE EXPANSION CHAMBERS EXHAUSTS
 
 
KAWASAKI TRIPLE S SERIES S1,S2,S3,KH250 KH400
S SERIES BIKES. S1 S2 S3 KH250 KH400
 
 
KAWASAKI H1 AND KH500
H1 500 AND H2 750
 
 
KAWASAKI EARLY H1
PICTURES OF THE EARLY H1,H1A,H1B
 
 
KAWASAKI A1 SAMURAI AND A7 AVENGER
 
 
SUZUKI GT185 and GT125
SUZUKI GT185 EXPANSION CHAMBERS
 
 
SUZUKI GT200X5
 
 
SUZUKI GT250 T250 HUSTLER T350 REBEL
 
 
SUZUKI X7 250 PIPES
SUZUKI X7 250 PIPES
 
 
SUZUKI GT380
 
 
SUZUKI GT500 T500
 
 
GT550
SUZUKI GT550 PIPES
 
 
SUZUKI GT750
 
 
YAMAHA FS1E "FIZZY"
 
 
RD125 RD200 TWIN
 
 
RD250 / RD400 AIR COOLED
RD RANGE
 
 
YAMAHA RD 350LC AND YPVS
YAMAHA RANGE
 
 
VIDEOS
 
 
NEW GP PIPES
NEW DESIGN PIPES WITH GP STYLE REMOVABLE END CANS
 
 
LINKS
HERE ARE THE LINKS YOU NEED FOR EVERYTHING TRIPLE RELATED
 
 
FREQUENTLY ASKED QUESTIONS (FAQ)
MOST COMMONLY ASKED QUESTIONS AND ANSWERS
 
 
PRESS REVIEWS
RECENT ARTICLES ABOUT TRIPLES
 
 
SPECIALS AND ONE-OFFS
 
 
RACING
HISTORY OF HIGGSPEED
 
 
BENELLI 250 2C
BENELLI 250 2C EXPANSION CHAMBERS
 
 
KAWASAKI H2
KAWASAKI H2 750 TRIPLE EXPANSION CHAMBER EXHAUSTS
 
 
YAMAHA RD125 LC AVAILABLE NOW!!
YAMAHA RD125 LC PAGE
 
 

FREQUENTLY ASKED QUESTIONS (FAQ)

DI I NEED TO REMOVE MY MAINSTAND??

ANSWER;
YES YOU NEED TO REMOVE THE MAINSTAND TO ALLOW CLEARANCE FOR THE PIPES.

EXCEPT FOR GT750  MODELS
SUZUKI GT250, T500, GT500,rd250/350 lc, gt185 AND SAMURAI

WHAT DO I NEED TO SEAL THE HEADERS??

THE HEADER PIPES NEED TO HAVE SOME SILICONE SEALANT APPLIED , ALSO A SMEAR INSIDE THE FLANGES. JUST ORDINAIRY CLEAR SILICONE SEALANT LIKE YOU WOULD USE AROUND A BATH OR WINDOW FRAME. IT WILL WITHSTAND THE TEMPERATURE NO PROBLEM ,AND WILL STOP UNSIGHTLY DRIBBLES OF OIL FROM THE FLANGES.

DO YOU NEED MY BIKE TO MAKE THEM ON??

NO, I HAVE COMPLETE BIKES HERE SO I CAN GUARANTEE A PERFECT FIT.

DO I NEED TO REJET??

OK, IT IS TIME TO UPDATE THE JETTING INFO.

THE QUESTION OF WHETHER YOU NEED TO REJET, IS LARGELY DEPENDANT ON WHETHER YOU ARE RUNNING THE COMPLETE STOCK AIRBOX.
F YOU HAVE REMOVED THE AIRBOX AND FITTED INDIVIDUAL OR POD FILTERS ,YOU WILL DEFINATELY NEED TO REJET, TYPICALLY AROUND 10 SIZES UP.
MOST OF MY PIPES ARE DESIGNED TO RUN ON STANDARD JETS, BUT ONLY IF THE ENTIRE AIRBOX AND ASSOCIATED INLET TRUMPETS ARE INTACT AND IN GOOD ORDER. I.E. NOT LEAKING AIR OR CRACKED RUBBERS
MANY BIKES HAVE A STOCK AIRBOX, WITH SOME KIND OF REMOVABLE INLET TRUMPET OR RESTRICTOR. IF THIS HAS BEEN REMOVED ON YOUR BIKE, IT WILL NEED TO BE REJETTED WITH LARGER MAIN JETS (TYPICALLY UP 3 SIZES) ,BUT CHECK YOUR MAIN JETS AS IT MAY WELL HAVE BEEN DONE ALREADY.
THIS MAY SOUND VAGUE BUT DONT FORGET THESE BIKES ARE AROUND 40 YEARS OLD. THE GOLDEN RULE IS, IF IN DOUBT FIT LARGER MAIN JETS AND CHECK THE PLUG COLOUR, YOU CAN ALWAYS COME DOWN IF NECESSARY.







TO CHECK STOCK JETS SIZES FOR KAWASAKI TRIPLES LOOK HERE

MRAXLS'S KAWASAKI TRIPLES RESOURCES

TO CHECK SUZUKI MAIN JETS SIZES LOOK HERE

MRAXL'S SUZUKI SPECIFICATIONS

ARE YOUR PIPES ROAD LEGAL?

ALL MY PIPES ARE BUILT FOR BIKES MADE BEFORE 1981 AND ARE THEREFORE EXEMPT FROM ANY UK LEGISLATION. THEY DO STILL NEED TO CONFORM TO AN MOT TEST ,BUT THIS IS AT THE TESTERS DISCRETION. 
ALL COUNTRIES OUTSIDE THE UK, I MAKE NO CLAIMS WHATSOEVER AND YOU NEED TO CHECK YOUR LOCAL LEGISLATION .

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