Mazdaspeed Protege mods and questions. Any help?

[MSP2003.5Justin]

How much boost can a stock MSP engine handle? And where is the best aftermarket parts for them?

 

[lizardman743]

Welcome! And start here: http://www.mazdas247.com/forum/show...mods-for-a-daily-driven-MSP-quot-guide-thread

 

[kamon8404]

Boost varies between cars. Some could only handle 6psi before something bad happened. Some have been boosting above 10 for years without issue. I've been running a bigger turbo at 10psi for over 2 years ago i luckily have never had an issue to date.