360 reactions · 27 shares | We recently released our new American Thunder system for 1967-1972 Ford F-100/250/350 V8's! Check out this Traditional FlowMaster sound! https://www.holley.com/products/exhaust/exhaust_systems/flowmaster/american_thunder/parts/817938 | Flowmaster | Facebook

4.9K views · 101 reactions | That thing got a Hemi? Let 'em know with Flowmaster's American Thunder Cat-back Exhaust System for the 2015-2016 Dodge Challenger RT, part #817716. | Flowmaster | Facebook

Flowmaster’s® American Thunder Direct-Fit Muffler system for the 2025 RAM 1500 3.0L High Output is an easy, affordable performance upgrade. Built from durable 409 stainless steel, it fits both 2WD and 4WD models and features dual 3-inch inlets flowing into a Super 40-style muffler for aggressive sound and performance. It connects to factory tailpipes and delivers up to 18 hp and 15 lb-ft gains at the rear wheels. Uses stock hangers for simple DIY installation. Includes all hardware, instructions

36 reactions | Flowmaster introduces our American Thunder axle-back exhaust system for the 2021-2022 Ford Bronco with the 2.3 or 2.7-liter engine. This system uses a 60 Series style muffler for an aggressive to moderate exhaust tone and increased performance. Maximum dyno gains of 19 hp and 19 lb-ft. were measured at the rear wheels. Get yours here: https://holley-social.com/818121AmericanThunderAxle-Back #FlowMaster #FlowMasterMufflers #FlowMasterEquipped | Flowmaster | Facebook

21K views · 342 reactions | BREAKING NEWS! Things are about to get real for hydroplane racing in New Zealand with the announcement of a top North American racer coming down under, who's it going to be, watch the video to find out. Thanks to all involved in putting this together and bring on round two of the Lucas Oil NZ Hydro Thunder NZ Series in January at Mangakino  | Hydro Thunder | Facebook

Our American Thunder axle-back exhaust system for the 2024 Ford Mustang GT with the 5.0-liter engine or the EcoBoost 2.3L engine and the standard factory non-valved exhaust system. This system uses the Super 44 series mufflers for an aggressive exhaust tone and increased performance. Maximum dyno gains of 8 hp and 6 lb-ft were measured at the rear wheels. Shop here: https://holley-social.com/FlowmasterS650MustangFB #FlowMaster #FlowMasterEquipped #FlowMasterMuffler | Flowmaster | Facebook