Do you think that the stock head pipes on the 05 tld pred will be ok for a pur poliars pipe, to get the extra HP or would you recommend an after market head pipe like one from rath racing ect... and if you say a after market head pipe how much more HP do u think you will gain,, they say the pure poliars pipe will give you 2- to 4 hp alone???????????[img]i/expressions/face-icon-small-confused.gif[/img][img]i/expressions/face-icon-small-smile.gif[/img]

 

Rath's head pipe is the best on the market.........they tested it until they couldn't test anymore!!!! It has proven itself already too!!! They say it will make about 2-3 hp................and put a Nicholas Cycle exhaust on that, and you have yourself a great system!!!!

 

I find it hard to believe that the same size header is going to give more Hp. Like Brad said the Rath header is the only way to go.