Just got one of those promo kits for $309USD, now that's a bargain. Cant wait to see how this engine-pipe combo performs.

Was that a "tuned" or "non-tuned"?

Either way thats a hella good deal!

Tuned :P

Also does anyone know if a glow plug comes with them?

And besides the buggy promo kit there's also a rally one, what's the difference?

EDIT: ah just figured it out, the rally is a 7 port and the buggy's a 5.

It comes with the GRP 5....

These engines are absolute monsters!
The more fuel you run through them, the stronger they seem to get!

thanks

I have heard most people run with the OS P3 plug so you can get a wider tuning window. FYI

But I am sure you knew that already

thecman26, i noticed your running a RB s3 with a JP-3 how are you finding the performance?

Need to update that.... Switched to a TT 2035, much more pop than the JP-3
But the combo worked very well! Just has more top end with the 2035

heyguys, i just got one of the grp .21 tuned motors and i was wonder how much fuel/tanks you have been doing for break-in and if you dont have the funds for the grp pipe wat other pipe is a good pipe for it ? any input would be great thanks

Some guys like the JP-3.

dynamite 9853 works great

the 9853 does work very well, and also the associated 2035 is really good on the engine also, the 2053 from the promo kit dosent really let the engine run like it does with those other 2 pipes

Good info.

How would you compare a JP-3 to the pipe from the promo kit for this engine?

Which manifold is best to use with the 9853? How does the JP-4 compare to the JP-3 for this engine? Thanks.