AFE BladeRunner Exhaust Manifold & Up-Pipe Kit 01-04 GM 6.6L Duramax LB7 RC-19002 How about suspension that will

How about suspension that will drastically IMPROVE the ride and performance of your suspension

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AFE BladeRunner Exhaust Manifold & Up-Pipe Kit 01-04 GM 6.6L Duramax LB7 RC-19002 How about suspension that willEliminate exhaust restriction in your LB7 Duramax with the AFE BladeRunner Exhaust Manifold & Up Pipe kit. This kit from AFE outflows the factory exhaust manifolds by 6% by eliminating the factory pinch point of the driver side manifold. The machined ports match the factory gasket openings for maximum flow. Each manifold features an EGT probe port for easy installation of gauges or testing equipment. The up pipes feature a 2" mandrel bent 304