hello, apologies if this has been covered elsewhere (a pointer please?)
I have a 2009 (latest model) Silvia. Do I need to backflush it? how often? and if so please provide step by step instructions, I would hate to destroy the new $800+ machine! 8^)
thank you in advance
I have a 2009 (latest model) Silvia. Do I need to backflush it? how often? and if so please provide step by step instructions, I would hate to destroy the new $800+ machine! 8^)
thank you in advance

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