The newest lineup in C4 Lifestyle. Introducing C4 Street Designs. New automotive line of exterior accessories. Flares, aero, and more! All / Cadillac All BMW Chevy Cadillac Mazda Lexus Subaru 08-13 Cadillac CTS Sedan Rear Diffuser Fins $60.00 Add To Cart Cadillac 08-13 CTS Front Carnards $250.00 Only 3 available Add To Cart 07-14 Escalade Roof Spoiler $300.00 Add To Cart 08-13 Cadillac CTS Sedan Trunk Spoiler & Wickerbill Package $420.00 Only 5 available Add To Cart 08-13 Cadillac CTS (Coupe/Sedan/Wagon) Aero Mirror Covers from $300.00 Select Finish Primer Gloss Black Add To Cart 08-13 Cadillac CTS Sedan Rear Window Vents $175.00 Add To Cart