Hey guys, I was thinking of getting a GP style exhaust for my F4i, is it true they can damage your engine do to no back pressure? Also, I know I will need a PC but does anyone make this style exhaust for an 01 F4i?

 

No problem for the engine and I recommend Arrow GP exhaust-

 

Anyone know who makes something like these Jardines for an F4i?

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[IMG]local://upfiles/19996/DADCDB9250EC46B7BC69350CC12F3A76.jpg[/IMG]

 

 

well the fuggin pos website wont let me post pics or my response, ive tried tiem and time again ill try again 1 more time when i get home

 

let me try this again, the moto gp exhaust ur refering to can be made by a memeber on this websit name javier, i have it on mine and so do a few other people. if this exhaust is made crappy then you wont get enough backpressure and you will buirn ur valves up. javiers creates enough backpressure and sounds great