LMAO hammy!
that was taken from a page that sells aftermarket ones...Designed to absorb the hydraulic shocks produced in fuel rails by the opening and closing of injectors. Will help eliminate fuel pressure "bounce" and uneven fuel distribution. Red-anodized, billet aluminum body features a Schrader valve test port for fuel pressure and sample checks. Inlet is 3/8" NPT.
I never ran one on my first 1J
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