With Genie Headers already
fitted we needed to modify the header outlets to suit
the twin 3" system
The "X" System
The exhaust gases from left and right extractor mix
in the x section, this evens out the exhaust gas back
pressure giving the engine a much smoother note. A
slight reduction in overall diameter in the x area,
the exhaust gas speed increases through the x which
helps [slightly] by creating a scavenging effect
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