aFe Power BladeRunner Exhaust Manifold - Ductile Iron Helmet Support not modified stock units or

not modified stock units or remanufactured from used cores

The kit includes the visor

3/4 in Height

AFR's new 220cc is the perfect choice for 347 through 427 CI windsors engines operating from 4500 upwards

Reusable Oiled / Dry Filters

aFe Power BladeRunner Exhaust Manifold - Ductile Iron Helmet Support not modified stock units orBolt on instant performance by upgrading your restrictive factory manifold with this BladeRunner ported manifold. Designed to outflow the stock manifold by 12% for improved throttle response, this BladeRunner manifold has both the inlet and the outlet ports machined for a smooth transition and optimal flow path. Constructed from heavy walled, ductile iron to resist warping and cracking, this BladeRunner will outlast OE and factory replacement