Seller notes

1998-1999 Camaro/Firebird LS1 High Flow Air Box Lid Adds Up To 12HP!!!Gain up to 12 additional horsepower with this high flow air lid box. This easy bolt-on performance air box eliminates the restrictive stock baffles and resonator assembly which significantly improves air flow through the throttle body. Add a K&N air filter for an additional 5HP!!!NOTE: Not approved for sale or use in the state of California or other states that require a CARB E.O. (Executive Order Number) Gain up to 12 horsepo...

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