Circuit Sports S13 SR20DET Hotpipe with Welded Greddy Flange. This pipe is an aluminum hot pipe with a Greddy Flange attached to it for those who plan to install a GReddy Blow Off Valve on the hot side in the engine bay. The flange fits GReddy Type-RZ, Type-R, Type-S, and Type-RS blow off valves. Kit comes with hotpipe and flange only. The use of aluminum pipping offers increased durability, consistent higher boost pressure, improved response and an attractive appearance. A perfect upgrade for those who wish to run after market blow off valve system.
Vehicle Applications| Year | Make | Model | Trim | App Notes |
| 1989 - 1998 | Nissan | 180SX | (S13) L4 2.0L SR20DET | None |
| 1989 - 1993 | Nissan | Silvia | (S13) L4 2.0L SR20DET | None |