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SMR 4-1 Custom Manifold

US$ 399.00
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Latest design 4-1 custom manifold with improved low to mid end power and torque. Has been dynoed on stock engine and gained 7whp on Dynojet. Will fit 4age 20v and 4agze 16v. Only fits front wheel drive car. 

Since this is only custom made-by-order, please allow 2 weeks for fabrication. 

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