Quote:
Originally Posted by Malekreza11
H-pipes are generally used to balance frequencies, not for power gains. They are only marginally better at controlling the rasp in the exhaust system. A true X merge collector is the most efficient and power producing method, especially compared to the H.
The Akra does not have the highest power producing Mid-section on the market. There are far more powerful systems out there. Akra has the H to eliminate the rasp.
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Thats exactly what it did on my RPI exhaust, eliminated the rasp