1991 Nissan Sentra SE-R - Transforming A Classic SE-R From Vermin House To Power House Photo Gallery
The Foamseal foam was injected into every major frame section through the factory access holes. Foam injection is a popular mod to stiffen chassis in Japan, but few are aware of it here in the United States. We're one of the first to bring you this tip! Don't try to duplicate this with cheap hardware store spray foam; it will not harden inside the framerails of a car and has no structural properties.