Quote:
Originally Posted by 1slow370
X and H pipes merge the exhaust streams differently so the sound is different between the two as well as the performance characteristics. an X pipe allows full stream crossover while the H pipe on allows pressure eualization to occur. Traditionally the x pipe has been shown to produce more power but all X pipes are not made the same the amount of overlap and the changing cross sectional area of the pipe as well as the smoothness of the transition all effect flow and scavanging. the less overlap you have the higher the cross sectional area but there is less crossover to help scavanging. they have to be designed carefully.
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what about a y pipe?
and someone said they connected a y pipe to their stock exhaust with hfcs... could you do this with an X or H pipe too?
If so out of all 3 which would be the best?
I am trying to retain stock catback for a quieter sound. So I want to go hfc + ypipe like someone did.. I will get most of the power out of the car, maybe only leaving about 5-9whp and I am ok with that to have the car quieter and saving money too