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Home > DSM (Mitsubishi Eclipse/Eagle Talon) > DSM Performance Guide > Going Faster - Engine and drivetrain modifications > Stage I - 300 horsepower

Stage I - 300 horsepower



These modifications are the first steps to getting more power from your Eclipse. Doing all of these modifications can increase horsepower on a 1G car from 195 to around 300.

The modifications generally work best in the order they are presented here. If you do them in a different order, you may find no improvement until you perform the earlier upgrades.

Here’s the Stage I performance checklist, in order:


Mechanical Boost Gauge - click to enlarge
Mechanical Boost Gauge

High-Flow Air Filter - click to enlarge
High-Flow Air Filter

Compressor Bypass Valve Upgrade (1995+ only)
Compressor Bypass Valve Upgrade (1995+ only)

High-Flow Cat-Back Exhaust - click to enlarge
High-Flow Cat-Back Exhaust

High-Flow Catalytic Converter/Off-Road Pipe - click to enlarge
High-Flow Catalytic Converter/Off-Road Pipe

High-Flow Downpipe - click to enlarge
High-Flow Downpipe

Boost Controller - click to enlarge
Boost Controller

Fuel Pump Upgrade - click to enlarge
Fuel Pump Upgrade

Intercooler Pipe Upgrade - click to enlarge
Intercooler Pipe Upgrade

Exhaust System Porting - click to enlarge
Exhaust System Porting

Turbo Upgrade (1995+ and AT cars) - click to enlarge
Turbo Upgrade (1995+ and AT cars)

High-Performance Clutch - click to enlarge
High-Performance Clutch


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