Holley News: New Flowmaster American Thunder Exhausts for Ram & Silverado

| February 25, 2020 More

Holley is pleased to announce the release of two new cat-back exhaust systems for late model pickups. Flowmaster’s American Thunder series exhaust uses Delta Flow technology to increase performance and deliver a deep, powerful sound. Their new exhaust lineup is designed for 2014-2019 RAM 3500 models with the 6.4L Hemi engine. Flowmaster has also expanded to cover 2020 Chevy/GMC 2500HD & 3500HD trucks equipped with the 6.6L gas engine. Read on to learn more about these awesome new systems!

817932 – AMERICAN THUNDER CAT-BACK EXHAUST SYSTEM

This stainless steel American Thunder® cat-back exhaust system fits 2014-2019 RAM 3500 Crew Cab and Mega Cab trucks with the 6.4L Hemi engine. As a Flowmaster® system, it will provide improved performance and fuel economy while producing a moderate tone inside and outside the truck. Constructed from 16-gauge mandrel-bent 409SS tubing, the 3.50-inch inlet pipe flows into a 50 Series HD™ muffler for a deep moderate performance tone.

NOTE: Fits 2014-2019 RAM 3500 Crew cab and MegaCab Trucks with 6.4L engine and single or dual rear wheels. Does not fit with factory air bag rear suspension option.

817932 – AMERICAN THUNDER 2014-2019 RAM 3500

 

 


817933 – AMERICAN THUNDER CAT-BACK EXHAUST SYSTEM

The Flowmaster® American Thunder® Cat-back exhaust system for the 2020 Chevy Silverado and GMC Sierra 2500HD/3500HD trucks with the 6.6L gas engine is designed for the Crew Cab, Standard Bed (6.5 ft.) models only. This bolt-on, emissions-legal system features a stainless steel 50 Series HD™ muffler and large dual 3.00-inch 409 stainless steel mandrel-bent tailpipes that can be configured to exit either dual straight out the back, or dual out the sides behind the rear wheels which is best suited for towing applications. The system is finished off with polished 4.00-inch stainless steel tips and is covered by their Lifetime Limited Warranty. Designed for an easy fit, this system includes all necessary parts and hardware for installation.

NOTE: Fits 2020 Chevy Silverado/GMC Sierra 2500HD/3500HD trucks with 6.6L gas engine. Crew Cab/6.5ft bed only.
For more information on these products and a complete array of savable high-resolution photos, click the links below (click the image until you reach the largest size, and then right-click the image and click “Save As”).

817933 – AMERICAN THUNDER 2020 Silverado/Sierra

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Category: TRUCKS

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