aFe Power BladeRunner Exhaust Manifold - Ductile Iron 421992 LSx Mongoose Street

LSx Mongoose Street

Kits include a steel hub with a built-in rotor ring for most popular 8-bolt brake rotors and 5/8-11 x 2" wheel studs

AN-6 to (2) AN-4

1976-1986 Chevrolet Chevette

1-piece bearing style clamp slides over the end of most 3" O

aFe Power BladeRunner Exhaust Manifold - Ductile Iron 421992 LSx Mongoose StreetBolt 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