When selecting a manifold insulator or plenum spacer, what does "boosted application" mean? Siya September 30, 2025 03:13 Updated Forced induction turbocharger supercharger Related articles Is the plenum spacer compatible with the factory L67 3.8L V6 (M90) supercharged engine? Which upgrade is better for performance gains, cams or a CPR6 intake manifold? Comments 0 comments Please sign in to leave a comment.
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