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Does your OBS Powerstroke suffer from poor turbo spool up, resulting in slow acceleration? Exchanging your turbine housing from the factory 1.15 A/R is the simplest, most inexpensive fix! The 94-97 7.3L Ford Powerstroke came stock with a 1.15 A/R exhaust housing on the turbo. This was largely done to keep exhaust temps lower due the lack of an intercooler. The downside is that the trucks have horrible spool-up characteristics. By going to a smaller exhaust housing you can get the truck to spool faster. The downside is that your EGT's will be a little higher. Most any truck can get away with going to a 1.00 A/R housing. However, if you want to go down to the .84 A/R we recommend that you have an intercooler installed.
- MPN448443-0008 | 448443-0007
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