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Ships within 48 hours · Estimated delivery Aug 15 - Aug 20
SKU 666178 is backed by the manufacturer's quality guarantee and our satisfaction commitment
Flowmaster 40 Series mufflers (40) deliver the iconic chambered sound that defined the muscle car era and remains the gold standard for aggressive exhaust tone
consistent launches
It covers the 1500–6500 RPM power band and is optimized for aftermarket carbs such as the Edelbrock Performer and Holley 4160/4150 series
Lobe profiles are developed using proprietary valve motion modeling software to optimize velocity
Hypertech ThermoMaster Computer Chips Tie Rod Ends SKU 666178 is backed byHypertech's Hypertech ThermoMaster Computer Chips (ref 5330) is a socketed ECM reprogramming solution for selected GM, Ford, and Dodge vehicles from the 1990s and early 2000s. By replacing the factory calibration EPROM with Hypertech's optimized tune, this performance chip delivers controlled gains in horsepower and torque through revised fuel curves, ignition timing, and transmission shift points. It's a time tested upgrade that defined an era of DIY
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