Fits 2024-2026 GM 1500 6.2-Liter, American Thunder Cat-Back exhaust system, w/
Fits 2024-2026 GM 1500 6.2-Liter, American Thunder Cat-Back exhaust system, w/
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Flowmaster's® American Thunder® Cat-back exhaust system for the 2024 to 2026 GM 1500 trucks with the 6.2-liter engine is a great way to customize your Silverado or Sierra to your personality. This performance exhaust system fits both 2/4 Wheel drive models and is manufactured from 409 stainless steel for years of trouble-free service and performance. Features include a 3.50-inch inlet pipe leading into a specialty tuned 50 Series HD style muffler for great sound and maximum performance. This cat-back system has dual 2.5-inch mandrel-bent tailpipes that exit in the bumper cut-out locations, with custom quad exit 4.0-inch black ceramic tips for a great performance look. Included in this cat-back system is active valve control with an integrated turndown. This allows you to control the factory valve from the dash with the different drive modes for full control of your sound level. Run the valve closed in the Normal drive mode, or open the valve in Sport or Off-Road mode for maximum sound. Max dyno gains of 15 hp and 13 lb-ft at the rear wheels deliver power you can feel. These systems use all the factory hanger locations and connections for an easy installation that you can do at home. Kit include installation instructions and all necessary hardware. Backed by Flowmaster's Lifetime Limited Warranty.
3.5 and 2.5-inch mandrel bent 16-gauge 409 stainless steel tubing maximizes exhaust flow and improves durability. Kit includes complete hardware and factory styled hangers in the stock locations for an easy installation. An tuned 50 Series HD style chambered muffler delivers a deep, aggressive to moderate performance tone and improves exhaust flow. Max increases of up to 15 hp and 13 lb-ft over the stock exhaust at the wheels. Tuned performance muffler with built in resonance chamber eliminates interior drone. Lifetime Limited Warranty.
- Brand: Flowmaster
- California Proposition 65: Yes
- California Proposition 65 Chemical Name: Chromium (hexavalent compounds)
- California Proposition 65 Chemical Name: Nickel (Metallic)
- CARB (California) Compliant: Yes
- Catalytic Converter Included: No
- Catalytic Converter Quantity: 0
- Category: Exhaust
- Choose Your Part: Exhaust System
- Clamping Type: Flat Band
- Clamps Included: Yes
- Drive: 4WD
- Drive: 2WD
- Emission Code: 5
- Exhaust Series: American Thunder
- Exhaust Tip Color: Black
- Exhaust Tip Connection: Clamp-On
- Exhaust Tip Cut: Angled
- Exhaust Tip Diameter: 4.00
- Exhaust Tip Edge: Rolled Edge Angle Cut
- Exhaust Tip Finish: Black Ceramic Coating
- Exhaust Tip Intercooled: No
- Exhaust Tip Length: 7.5
- Exhaust Tip Material: 304 Stainless Steel
- Exhaust Tip Quantity: 2
- Exhaust Tip Resonated: No
- Exhaust Tip Shape: Round
- Exhaust Tip Wall: Double Wall
- Exit Style: Dual Out Rear
- Finish: Natural
- Gasket Or Seal Included: No
- Grade Type: Performance
- Hangers Included: Yes
- Heat Shield Included: No
- Inlet Diameter: 3.50
- Inlet Type: Clamp-On
- Main Piping Diameter: 2.50
- Mount Type: Uses Factory Hangers
- Mounting Bracket Included: Yes
- Muffler Body Height: 5.00
- Muffler Body Length: 18.00
- Muffler Body Material: 409 Stainless Steel
- Muffler Body Shape: Oval
- Muffler Body Width: 10.00
- Muffler Color: Black
- Muffler Finish: Black High-Temperature Paint Finish
- Muffler Flanged Inlet: No
- Muffler Flanged Outlet: No
- Muffler Included: Yes
- Muffler Inlet Connection: Slip-Fit
- Muffler Inlet Inside Diameter: 3.5
- Muffler Inlet Location: Offset
- Muffler Inlet Outside Diameter: 3.63
- Muffler Outlet Connection: Slip-Fit
- Muffler Outlet Diameter: 2.50
- Muffler Outlet Location: Dual
- Muffler Outlet Quantity: 2
- Muffler Part Number: Kit Only
- Muffler Quantity: 1
- Muffler Series: 50 Series HD
- Muffler Type: Chambered
- part type: Exhaust System
- Pipe Color: Silver
- Pipe Material: 409 Stainless Steel
- Product Type: Exhaust System
- Sound Level: Aggressive / Moderate
- Spring Bolt Kit Included: No
- Tail Pipe Outlet Outside Diameter: 2.50
- Tail Pipe Quantity: 2
- Tail Pipe Quantity: Dual
- Tail Pipe Tapered Outlet: No
- Type: Cat-Back
- Valve Actuator Included: No, Reuse OEM
- Valve Included: Yes
- Valve Type: OEM-Style Valves
- Warning: California Proposition 65

Policies and FAQs
Return Policy
Fault reasons include but are not limited to:
- Buyer was shipped the wrong product
- Buyer was shipped a damaged product
- The product page had incorrect fitment and the part does not fit the Buyer's vehicle
Opened boxes, plastic bags, and other packaging are not considered damage (excluding single use items such as, but not limited to, liquids, software, and other components that cannot be reused/resealed).
FAQs
|Q. What is an Intermediate Brake Line?
|A. This is the line that runs from the front of the vehicle to the rear. On most vehicles it connects to a junction then you will have rear axle lines. On a few cars the intermediate lines will connect to the rear wheels. It is recommended to change the axle lines if you are replacing the intermediate lines.
|Q. What is included in a pre bent brake line kit?
|A. Our kits include all of the solid metal lines for that section of the vehicle
|Q. I need to return something - what's your return policy?
|A. We are happy to help! Please help us to help you by going to our return form and filling out the form as best as you can in order to request a return.
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Modern Day stands by our parts and is happy to accept returns within 30 days of purchase. Parts must be in new condition.
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If a part arrives damaged, or is defective, Please report it to us immediately. So we can handle it for your promptly.