Here is a list of stuff I have bought and/or installed on my MT2. Just thought you all like to know my thoughts:

All in US Dollars

Small - Anything under $20:
OS Air Cleaner - Came with engine, its really nice
*Air Cleaner - Motor Saver two stage filter- $11.00
HPI Woven Graphite Front Shock Tower - 17.59
HPI Lightweight Flywheel - 17.59 (Love this flywheel, but not very reliable)
HPI Dodge Body - 18.99 (Just looks Better)
HPI Brake Disk FiberGlass - 12.99 (Stops better)
HPI Hinge Pins Nitro Set - 14.79 (Replace with SS parts)
*Tamiya 4mm Lock Nut - 2.49
HPI Aluminum Hex Hub 12mm - 17.59 (Stops the stripping of the wheels hex)
HPI Teflon Shock Inserts - 3.89 (Had these for my old original shocks, the threaded already have them)
HPI Gear Differential Adjustable Spring Set - 7.69 (Makes the diff act like a ball diff)
HPI Racing Clutch - 13.99
HPI Blue Front Springs - 4.79
HPI Blue Rear Srpings - 4.79
*Hot Bodies Aluminum Front Knuckle Arm - 19.99 (Discontinued, New from Powerline)
*Hot Bodies Aluminum Rear Knuckle Arm - 19.99 (Discontinued, New from Powerline)
Ofna 125CC Fuel Tank - 9.99
HPI Heavy Duty Cup - 6.69 (I thought these were stupid, but they actually last 5 times longer than stock)
HPI Heavy Duty Cup - 5.79 (Same as above)
Proline 2 stage Foam Inserts - 6.19/set (Much better than stock foams in all my tires)
HPI Savage Racing Clutch Bell - 14.79 (Needed with the Steel Spur)


Medium $20 - $50:
HPI Universal Dogbone Front - 28.99
HPI Universal Dogbone Rear - 28.99
HPI Sway Bar Set - 28.99
HPI Wheels 4 sets - 64.00 (I love having different wheels)
HPI S-Compound X Pattern Tires 2 sets - 50.00 (Gave them away they were alright)
Proline BowTies M Compound Tires 2 sets - 38.00 (Great on loamy Track)
Proline HoleShots M Compound Tires 2 sets - 34.00 (Great on Dusty Loose Track)
Proline Evil Twin R3 Tires - 36.00 (Great on Smooth Groomed Track)
Losi Pink Taper Pins - $36 (Best tire for Groomed track - Put a little Buggy Grip on the tires let them sit for a week and the stick to anything)
HPI Woven Graphite Rear Shock Tower - 21.99
HPI Titanium Turnbuckles - 34.99 - Needs HPI Heavy Duty Ball Cup - 7.89
THS Exaust - 49.99 (Better than the CVEC and is currently installed)
CVEC Exaust - 37.00 (Better than stock or HPI)
HPI Exaust - 49.99 (Hated it, got a CVEC)
HiTech 645 Steering Servo - 39.99 (What was I thinking with this one - turns SLOW. Got a better servo later)
HPI Aluminum Threaded Front Shock - 37.99
HPI Aluminum Threaded Rear Shock - 37.99
HPI Upper Deck Graphite Woven - 45.99
HPI Hardened Diff Gears - 32.99 (need two)
HPI SS Suspension Shaft - 17.59
Powerline Aluminum Steering - 22.79 (Broke immediately - went back to stock setup)
Ofna Reciever Pack - 25.99
HPI Super Chassis - 37.99 (This with the CF upper chassis brace makes it super stiff)
HPI Savage Steel Spur Gear - 47.99 (I prefer this over the nylon reinforced, ut could be argued)


Large > $50:
HPI .18SS Engine - 144.99 (Got tired, sold it)
O.S. .18 CV-RX w/11J Rotary Carb - 99.99 (This thing got some b***s)
Airtronics 94758Z Competition Digital Hi-Spd/Torq Servo 99.99 (Turns on a dime)

For the SS stuff I just broke down and bought an SS Kit to get the parts then sold the 18SS motor.

Just a running list to see what mods I have installed and some notes on them.

I starred the items I think are the most needed for reliablity.