1978-1983 G-Body Crossmember billet 84mm turbo Thunderbird 390/428CID

Thunderbird 390/428CID

While testing

This system is fitted with an On3 50mm BOV as well to make sure you have no compressor surge

Features: * Redline Sound Profile * Dual Tips * X-Pipe Crossover * Performance Connection - Connects to Stainless Works Headers * 304 Stainless construction will last a lifetime * Excellent Fitment For Easy Installation * Smooth mandrel bends optimize exhaust flow * Fully TIG welded for strength and beauty * Not confirmed to fit convertibles

Learn more about the Nissan Z32 Transmission

1978-1983 G-Body Crossmember billet 84mm turbo Thunderbird 390/428CIDFits GM G Body Models: Malibu, Monte Carlo, El Camino, Cutlass, Grand Prix, Regal, Century, LeMans, Caballero. Fits Years: 78 83 Fits Transmissions: 8L90E Slip Yoke, 10L80E and 10L90E For a proper fit with this transmission, the GF GMATM Transmission Mount is included along with the FE 100 Frame Extension. If you are looking for improved performance check out our lighter weight next generation of this crossmember RCG 400NG BLK 8L90K. What is a