Absolute requirement? When you are running on the ragged edge of detonation and must have a complete burn that never skips a beat.
Twin plug systems are a wonderful wish list item for less stressed engines as well. The idle and power delivery curve are smoothed and you have detonation insurance for those times when experiencing heat soak or lower octane fuel.
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RarlyL8 Motorsports / M&K Exhaust - 911/930 Exhaust Systems, Turbos, TiAL, CIS Mods/Rebuilds
'78 911SC Widebody, 930 engine, 915 Tranny, K27, SC Cams, RL8 Headers & GT3 Muffler. 350whp @ 0.75bar
Brian B. (256)536-9977 Service@MKExhaust Brian@RarlyL8
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