Upgrade your auto's fuel system and enjoy more MPGs and power when you install a Chevy HHR fuel treatment. Not only does a HHR fuel octane booster deliver boosts in horsepower and efficiency, but it also improves the quality of gasoline that gets passed through the engine. And, it's easy to install.
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Shop at AutoAnything and choose from a huge Chevy HHR fuel enhancer selection. Order top-rated products, like the HHR Fitch fuel catalyst. And shop in confidence knowing that you're getting the best deal around. That's because we back all Chevy accessories with our lower price guarantee.