Includes rings, wire locks, and wrist pins - 81.5mm bore, 8.5:1 CR, 86.4mm stroke (stock)
*For use with 20mm wrist pin connecting rods*
Includes rings, wire locks, and wrist pins - 81.5mm bore, 8.5:1 CR, 86.4mm stroke (stock)
*For use with 20mm wrist pin connecting rods*
Stainless steel non-resonated cat-back system with dual mufflers
Stainless steel dual resonator cat-back system without mufflers
Complete stainless steel system with dual 90mm round tips
Stainless steel dual resonator cat-back system with dual mufflers
Complete stainless steel system with dual 90mm round tips
Stainless steel single resonator cat-back system with dual mufflers
Stainless steel single resonator cat-back system without mufflers
Stainless steel non-resonated cat-back system without mufflers
Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
Direct replacement for your rattling actuator.
This high-performance engine kit combines an upgraded dual-spring valvetrain, Inconel and nitrided valves, a top-end gasket set, and premium tri-metal race main bearings.
10X Entries Into Our F80 M3 Sweepstakes
EFR delivers quick boost response, powerful performance and reliable durability - 0.80 A/R, T4 Twin Flow Flange, 49mm Compressor Inducer Dia, 62mm Compressor Wheel O.D., 58mm Turbine Wheel O.D.
*To be used with custom turbocharger applications only - T4 flange manifold, custom fueling, tuning/software, and internals necessary*
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
08-24-2026
Purchase the FM MK2 VR6 Engine Swap Kit and enjoy all the benefits of the VR6 engine, with the highest quality manufacturing solution on the market.
For use with MK2 factory subframe, VR6 2.8L 24v/3.2L/3.6L engine and 4 Bolt Spindles
Purchase the FM MK2 VR6 Engine Swap Kit and enjoy all the benefits of the VR6 engine, with the highest quality manufacturing solution on the market.
For use with MK2 factory subframe, VR6 2.8L 24v/3.2L/3.6L engine and 5 Bolt Spindles
Purchase the FM MK2 VR6 Engine Swap Kit and enjoy all the benefits of the VR6 engine, with the highest quality manufacturing solution on the market.
For use with MK2 factory subframe, VR6 2.8L 12v engine and 5 Bolt Spindles