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Posted

Just wondering if they have websites. Also, whiich CPI's are the best?? I dont want to cut my fenders. I will be running stock pistons and port with reeds, trinity K&N intake, NOSS head with 21cc domes for now, and dynatek CDI to bump up the timing. Also, can anyone compare T-5's, CPI's and Shearer???

Posted
another similar pipes is : ROCKETS

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rockets? what are those? are they some sort of new drag pipe? i am very interested in them. i guess id have to see some dyno sheets since im a skeptic. do they make as much power as cpi?? :confused:

Posted (edited)

CPI's are a good pipe for a stock shee, not great or excellent, there are better pipes out there for stock porting configuration.

 

For example:

FMF SST

Toomey TR6

ProCircuit

 

This pipes will extract the most HP out of the mods and stock configuration you have right now. SST's and TR6's may not extract as much power on ported motors, since they were design for stock port configuration. In this knid of situation CPI's, Rocket's and Shearer seem to shine like no others.

 

If you get the CPI's you will need to trim a little the front fenders, not too much, that is it. I have them on my stock shee. If you do not plan on porting it then go with other brands like Toomey, FMF or Procircuit.

Edited by richybanshee
Posted
Best thing to do would be, ask the person who ports your engine what pipes to get. Different engines work differently and may work better with cpi's

 

 

Im learning this the hard way. talk to the guy the builds your motor they will steer you in the right way.

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