RS4 3 Evo+ Super Fast Nitro Savage XL Tuned Exhaust Part 3 - Premium97 Racing

Part 3: - Premium97 Speed Racing Demonstration
Custom Modds: Presented by Premium97
HPI RS4 3 Evo+ Modded with .21 Savage XL Aluminum Tuned Exhaust !!(Authentic Mod first time with RS4 3 Evo+)
Original .12 -.15 Exhaust was taken out and .21 Savage XL Exhaust put in Place!! There is a huge difference in the 2 Exhausts with lots of compression from the .21 Exh...This Modification adds some huge powerful torque, still working on leaning it out some more...sometimes it would cut off. Testing the 2nd Gear Shifting...
1st Gear (19T) & 2nd Gear (23T) - Pinions, Spur Gears are Stock.
.21 HPI Coupling Used. O'donnell 30% Fuel Used.
T3.0 Stock HPI Engine.
Scale: 1/10 scale Nitro Class (.12-.21)
Next Mod is OS .18 CV-R with V-One-RR Exhaust Pipe Header...
Stay Tuned....Enjoy!! - Premium97

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[Harvz78]

Do you think the Traxxas 3.3 with ez start will fit on it? I've been thinking doin it to my RS4. My friend told it will not work because the flywheel will hit the disk brake.

[Premium97]

@Harvz78 Right now, the engine that direct fits is the OS .18 CV-RX Engine. I'm not too sure with the traxxas 3.3 engine and what clearance is available from the engine mounts to the clutch bell, plus the Traxxas 3.3 EZ start is a pain to work with...is it even compatible? since the ez start is on the top side of revo 3.3. That engine is slow compared to the OS .18. You will need engine mounts that allow you to slide the engine back and forth to allow the pinions n spur to line up correctly.

[SlimTheGreat1502]

Nice set up man...was it a direct fit or did you have to swap many parts to get it to fit correct...I wanna add a HPI K4.6HO w/2speed to my RS4 3 Drift. Can't wait to see to see your new project.