Originally Posted by CH@Dbee
When used with on the non-REVUP 350Z engine, the gains when it is installed alone without a spacer are very similar to that of the 5/16" spacer. However, the MREV2 will show a slightly lower peak value, with a slightly higher average value and a slightly higher TQ value. Racers may want to get the spacer AND the MREV2, for improved top-end performance. Overall, MREV2 provides "area under the curve" and is the highest gain plenum mod available. Installs re-using existing factory hardware.






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