Planted Seat Bracket - BMW 3 Series (E21, 1975-1983) - Passenger/Right DA51 Rennline Spec straps are available

Rennline Spec straps are available in 6ft and 10ft lengths

Includes Maxflo Performance cat-back mufflers

The Sparco Rib Pro K-4 adds protection and padding without bulk

mandrel-bent T304L stainless steel for optimum flow and maximum durability High-Velocity 3-into-1 pyramidal investment cast merge collectors for improved exhaust scavenging

Why customize a mount yourself

Planted Seat Bracket - BMW 3 Series (E21, 1975-1983) - Passenger/Right DA51 Rennline Spec straps are availablePlanted Seatbase Adapter Brackets are an easy solution for adapting your aftermarket seat to the floor of your specific vehicle. Planted Seat Brackets are constructed from 3 16" thick steel for superior strength. Able to accept sliders from most major seat manufacturers like Bride, Cobra, OMP, Racetech, Recaro, Sparco, Status and more, allowing for easy installation of aftermarket seats in your vehicle. Extra material is also provided for direct seat