DETAILS
The Audi RS3 8V Flow-Lock Rear Diffuser makes extensive use of our Flow-Lock technology- a design system that utilises precision engineering and cutting techniques to create an integral mechanical bond. What this means for you is a durable, stylish and integrated rear setup with no visible fasteners. The perfect view for everyone behind you.

Our RS3 8V Flow-Lock Diffuser paired with rear spats and winglets work together to complete the enhanced aggression our splitter kits bring to your RS3 8V Sedan. Our rear diffuser and spat kits can be fitted without removing the rear bumper from your vehicle.

Valance is installed to the car through bolts and nuts while the Flow-Lock diffuser fins simply click into the valance (once locked into the valance it is secure). It is also possible to install when your car is on the ground.

KIT INCLUDES:

• RS3 8V Sedan FL Flow-Lock Rear Diffuser
• 2 Flow Designs Stickers
• Fitting kit

MATERIAL & FINISH:

• 10mm thick polyethylene composite rear valance with bevelled edges
• 4.5mm thick Scratch resistant textured ABS Flow-Lock Diffuser Fins

Adjustable Side winglets sold separately.

Finish the exterior aesthetic of your Mustang S550 FN with our side skirt splitters - renowned for their durability under all driving conditions worldwide! For the first time we have included pre-pressed brass thread fittings on both ends of the side skirt splitter, which will allow for the installation of our adjustable Mustang S550 FN side winglets (sold separately) for both front and rear ends of the side splitter. Easy install instructions are included and side skirt removal is NOT required.

The Mustang S550 FN entire body kit range shares the same technology used in our renowned WRX, Golf GTI and Focus RS line up which is trusted by car enthusiasts around the world.

All our lip splitters have a 10 year warranty and are made from a thick polyethylene composite, making it the strongest product of its type on the market, watch our front splitter stress test to see how durable our splitters are. Each splitter is model specific in its development and design to ensure perfect fitment. The entire production process is done is our Bayswater factory making us proudly Australian made and owned.

Brass threads located on each side will for easy installation of our adjustable Mustang S550 FN side winglets, creating your own style with our bolt-on accessories range (sold separately).  

We offer fast Australia-wide and international shipping for all our products - join the worldwide Flow Family today!

GT MUSTANG S550 FN SIDE SKIRT EXTENSION SPLITTER KIT INCLUDES:

• Mustang S550 FN side skirt splitters (pair) 
• 2 Flow Designs stickers
• Fitting kit

GT MUSTANG S550 FN SIDE SKIRT EXTENSION SPLITTER MATERIAL & FINISH:

• 10mm thick polyethylene composite, bevelled edges
• Hand polished satin black
  
  

Our adjustable front splitter winglets will bolt directly onto our Mustang S550 FM front lip splitter thanks to the pre-pressed in threaded brass fittings on our front lip splitter. Fitting kit is provided to ensure perfect fitment and can be adjusted to your liking. Adjustments can be made anywhere between 5mm-20mm on each side increasing the overall width up to 40mm!

The Mustang S550 FM body kit range shares the same durability and technology as our renowned WRX, Golf GTI and Ford Focus RS line up which is trusted by car enthusiasts worldwide.

Mustang S550 FM front lip splitter and Mustang S550 FM front extensions sold separately. 

GT MUSTANG S550 FM FRONT SPLITTER WINGLETS KIT INCLUDES:

• Mustang S550 FM adjustable front splitter winglets (pair)
• 2 Flow Designs stickers
• Fitting kit

GT MUSTANG S550 FM FRONT SPLITTER WINGLETS MATERIAL & FINISH:

• 4.5mm thick textured ABS 
• Scratch resistant textured ABS plastic