BigStuff EFI
High Performance EFI Tuning
& BigStuff3 Specialists
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BS Gen4 Pro Xtreme
The next generation of
Programmable EFI
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BigStuff’s advanced EFI powertrain management systems work with all engine combinations including naturally aspirated, turbocharged, supercharged, and nitrous setups. Our network of authorized dealers work with street cars, dedicated race teams, and also provide on-site or remote dyno tuning.