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28-09-2012, 08:00pm
Does anyone do an full 4-2-1-2 system for the Gen II with similar performance improvements to a good 4-2-1?
If not what performance difference is there between good slip ons and a full 4-2-1?
(What the best of both worlds performance and twin exhaust look).
If not what performance difference is there between good slip ons and a full 4-2-1?
(What the best of both worlds performance and twin exhaust look).