2009 C6 (Headers Kit) - DO NOT BUY! Parts do not fit properly. Multiple exhaust leaks causing fumes to enter fumes to enter passenger compartment. I attempted to resolve with customer service on...
Speed Engineering
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Speed Engineering is a Fresno-based company specializing in a wide range of automotive parts and accessories for various GM late model vehicles, including Camaros, Corvettes, Cadillacs, Silverados, and more. Their extensive product lineup includes apparel, braking systems, cooling components, drivetrain parts, engine accessories, exhaust systems, forced induction kits, fuel systems, ignition components, and transmission upgrades.
With a focus on performance and quality, Speed Engineering offers a comprehensive selection of products for enthusiasts looking to enhance the power, handling, and style of their vehicles. Whether it's a modern Camaro or a classic Pontiac GTO, customers can find the right parts and accessories to suit their needs and preferences. From headers and mufflers to suspension components and billet products, Speed Engineering provides reliable solutions for GM vehicle owners seeking to optimize their driving experience.
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Reviews
Son bought the long tube headers for 2021 mustang GT. He was told, and so was I later, that this would bolt right up to his factory rear exhaust. In fact it wont. Factory exhaust is too short...

Bought a set of headers, they don't clear the passenger frame rail, and the dual exhaust system doesn't even fit the truck correctly. Had to spend a ton of time cutting and rewelding this...
I purchased a set of headers for a Hummer H2. They arrived with damaged hardware and one bolt hole on the header flange was damaged. I used a die grinder to slightly clearance the hole and...