different piston design, different injector spray pattern, no catalytic converter, ECM is a little different...
their only issue that got "better" in 04.5+ is their propensity to drop valve seats... but ALL CR's will drop valve seats... but the 03/04's are worse about it
their only issue that got "better" in 04.5+ is their propensity to drop valve seats... but ALL CR's will drop valve seats... but the 03/04's are worse about it
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