Flowmaster 40 Series Performance Muffler MGLR the EZ-EFI Fuel Self Tuning

the EZ-EFI Fuel Self Tuning Fuel Injection System also works with your original carb-style throttle linkage and features OEM sensors

GM LS1 3/8 RockerThe COMP Cams philosophy has never changed: make the highest performing products possible and lead the industry in technological development

Carb recommendations: Edelbrock AVS2 or Performer Series 500 cfm

How do you know what element you need for your filter

Ease engine swaps with the Allstar engine lift plate

Flowmaster 40 Series Performance Muffler MGLR the EZ-EFI Fuel Self TuningThe Original 40 series muffler delivers an aggressive exterior and interior tone. If you're looking for that original Flowmaster sound, this is the muffler for you. Constructed of 16 gauge aluminized steel and fully MIG welded for maximum durability. Manufacturer of performance exhaust systems, mufflers, cold air intakes, turbo boost modules, catalytic converters, race mufflers, headers and numerous exhaust accessories for late model cars, trucks, off