Head choice for a 509 with iron heads
07-19-2017 | 11:02 PM
#41
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Joined: Jul 2004
Posts: 11,332
Likes: 73
From: chicago
Id go for a full length header on a Naturally aspirated deal. CMI doesnt recommend the E top for NA engines if i recall.
The manifolds SB posted are basically a full length header. They are pretty much the best manifold on the market imo
The manifolds SB posted are basically a full length header. They are pretty much the best manifold on the market imo
