Products

Reduce weight in your track car by removing your glass windows! Our polycarbonate windows are designed to fit E46 sedans that have had the window m...

Reduce weight in your track car by removing your glass windows! Our polycarbonate windows are designed to fit E90 sedans that have had the window m...

Our polycarbonate door window/slider kits help keep rain and dust out of your race car. These are designed to fit in an e30 with the window mechani...

Our polycarbonate door window/slider kits help keep rain and dust out of your race car. These are designed to fit in an e36 with the window mechani...

2 piece poly-carbonate motorsport side window kit to fit the BMW E21 Coupe. Kit includes both side quarter windows. Manufactured from high-quality...

Polycarbonate rear 1/4 windows for E30 coupes. Manufactured from high-quality UV protected polycarbonate Approximately 50% weight savings compared...

2 piece poly-carbonate motorsport side window kit to fit the BMW E46 Coupe only. Kit includes both side quarter windows. Manufactured from high-q...

2 piece poly-carbonate motorsport side window kit to fit the BMW E92 Coupe only. Kit includes both side quarter windows. Manufactured from high-q...

2 piece poly-carbonate motorsport side window kit to fit the BMW 2002 Coupe only. Kit includes a passenger-side quarter window and a driver-side qu...

2 piece poly-carbonate motorsport side window kit to fit the BMW E36 Coupe only. Kit includes a passenger-side quarter window and a driver-side qua...

Polycarbonate rear windshield. Choose between our "rivet-on" design or the "OEM+" option. The "rivet-on" design can be installed with rivets or riv...

Polycarbonate rear windshield for the E30 M3. Includes pre-drilled rivet holes along the outer edge of the window. Our "rivet-on" design can be ins...

E34 Polycarbonate rear windshield. Our "rivet-on" design can be installed with rivets or riv-nuts. You WILL need to fabricate 2 straps to keep the ...

Polycarbonate rear windshield. Our "rivet-on" design can be installed with rivets or riv-nuts. You WILL need to fabricate 2 straps to keep the wind...

Polycarbonate rear windshield. Our "rivet-on" design can be installed with rivets or riv-nuts. You WILL need to fabricate 2 straps to keep the wind...

Polycarbonate rear windshield. Our "rivet-on" design can be installed with rivets or riv-nuts. You WILL need to fabricate 2 straps to keep the wind...

Polycarbonate rear windshield. Our "rivet-on" design can be installed with rivets or riv-nuts. You MAY need to fabricate 2 straps to keep the windo...

Polycarbonate rear windshield. Our "rivet-on" design can be installed with rivets or riv-nuts. You MAY need to fabricate 2 straps to keep the windo...

1 piece rear windshield. Installed with the original rubber window seal. You WILL need to fabricate 2 straps to keep the window from flexing at spe...

1 piece rear windshield. Installed with the original rubber window seal. You WILL need to fabricate 2 straps to keep the window from flexing at spe...

Our polycarbonate slider kits are designed to fit any car with polycarbonate windows. This DIY kit requires you to cut the opening and drill the ho...

We were the first to bring the power steering delete to the market. Don't settle for reproductions. A simple yet effective way to remove your power...

A simple yet effective way to remove your power steering and loop the steering rack, allowing residual fluid and air to continually circulate withi...

Powerflex Rear Shock Mounts are the ideal replacement for the RSMs on your E9X or E8X with 10mm or 12mm-thread performance shocks. Not only will th...