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CPP's LS Exhaust Manifolds are Hospitable to Horsepower
Sometimes running cast iron LS exhaust manifolds are the way to go. Most of the time that’s simply due to clearance issues in whatever vehicle you swapped an LS into.
See More of Our 1967 Nova: Building A Pro Touring 1967 Nova In One Week
Cast iron manifolds tend to get a bad reputation for making less horsepower than headers. Most of the time that is true, but in our experience they...
