Mazda RX7 Twin Turbo FD3S - Fits all models 1992-2002- Superior Hi-Temp 100% Silicon with the thickest material on market for prevention of bursts and limping- Track & Touge mountain tested by Touge Techniques for durability - This kit it for complete vacuum overhaul with over 80 feet of hose in 7  sizes. -Replaces all RX7 Twin Turbo vacuum lines, windshield washer lines smaller diameter coolant hoses. - Extra hose for aftermarket upgrades like different boost controllers, turbos, boost controllers, etc.