Feb 07, 2020 · The kit comes with a 50mm wide x 15m long (1.96" x 49ft) Thermal Bandage. The kit also includes a Φ45.0mm (1.8"), SUS304 material support pipe. The 42.7mm pipe diameter was chosen from the exhaust port to the collector to retain the stock like response. A thicker than normal pipe was chosen to increase durability to handle high horsepower .... TOMEI; TREADSTONE; TURBOSMART; VIBRANT; WAGNER TUNING; WHITELINE; WIRING SPECIALTIES; WISEFAB; VIEW ALL BRANDS; Shop by Part. ... Home 1 / Shop 2 / Exhaust 3 / Y Pipes 4 / Nissan 5 / 370Z 6 / ISR Performance Exhaust Y-Pipe ... they were the only place with my isr long tubes headers in stock. By far the best pricing, and free and fast shipping. "/>370z tomei headers