This is Turbo Accessories add-ons for the Mazda RX7 Engine.

Original engine : https://www.myminifactory.com/object/3d-print-106718

My final project :

Printed parts list (15)
1 x TurboAirFilter : Layer:0.15mm Raft:no Support:no Infill:15%
1 x TurboAirFilterBase : Layer:0.15mm Raft:no Support:no Infill:15%
2 x TurboAirFilterClamp : Layer:0.15mm Raft:no Support:no Infill: 100%
1 x TurboAirFilterHose : Layer:0.15mm Raft:no Support:no Infill: 100%
1 x TurboAirFilterTop : Layer:0.15mm Raft:no Support:no Infill:15%
1 x TurboBearingHousingInFlange : Layer:0.15mm Raft:no Support:no Infill:100%
1 x TurboBearingHousingInGasket : Layer:0.15mm Raft:no Support:no Infill:100%
1 x TurboBearingHousingOutFlange : Layer:0.15mm Raft:no Support:no Infill:100%
1 x TurboBearingHousingOutGasket : Layer:0.15mm Raft:no Support:no Infill:100%
1 x TurboExhaust : Layer:0.15mm Raft:no Support:yes(only external) Infill:100%
1 x TurboExhaustHousingGasket1 : Layer:0.15mm Raft:no Support:no Infill:100%
1 x TurboExhaustHousingGasket2 : Layer:0.15mm Raft:no Support:no Infill:100%
1 x TurboManifoldGasket : Layer:0.15mm Raft:no Support:no Infill:100%
1 x TurboSnailHousingPlateGasket : Layer:0.15mm Raft:no Support:no Infill:100%

Accessories (20)
10 x m2x6mm SHCS
2 x m2x8mm SHCS
2 x m2 jam nut
6 x m2 washer

Assembly
Look at pictures

More add-ons
https://cults3d.com/fr/collections-de-designs/dancan13f/mazda-rx7-engine-add-ons