Honda Acura NSX 1991 Service Manual page 828

Construction
Straight-line front side-frame for excellent absorption of front impact energy.
1 .
2. Extruded-molded side sills with high strength and rigidity.
3. Lower part of center pillar is designed as flare-type and united solidly to main frame, thus greatly improving rigidity.
4. All main-frame parts are joined smoothly, providing high impact strength and improving body rigidity.
Large cross-section rear frame to protect fuel tank in the event of rear impact.
5.
Rear fenders are detachable to make minor collision repairs easier.
6.
CROSS MEMBER
20-2
AR BULKHEAD CENTER