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Flowmaster | SKU:
817853
Flowmaster American Thunder Cat-back Exhaust System - 817853
Fits 2019-2026 GM Silverado/Sierra 1500 (New Body Style) 5.3L engines. - Aggressive to moderate sound
Regular price
$2,702.90 NZD
+ GST
Unit price
/
Unavailable
Shipping calculated at checkout.
Flowmaster American Thunder Cat-back Exhaust System - 817853 is not in stock at Fast Lane Spares and will ship direct from supplier.
⚠ Special Order Item — ships direct from supplier. No returns, exchanges, or cancellations once processed. Please allow 7–20 days shipping.
Stock Status:
Description
Description
Fits 2019-2026 GM Silverado/Sierra 1500 (New Body Style) 5.3L engines. - Aggressive to moderate sound
Part Number: 817853
This Flowmaster® American Thunder® Cat-back exhaust system is perfect for the person looking for deep, powerful sound outside the vehicle with a little growl inside the cab. This emissions-legal system is for 2WD & 4WD 2019-2026 GM 1500 trucks (new body style) with the 5.3L engine and factory single exhaust. System features include full stainless steel construction, a single in/dual outlet Super 40® Series muffler and mandrel-bent dual 2.50-inch stainless steel tailpipes for maximum performance and a deep sound. Maximum dyno gains of 21 hp and 23 lb.ft. at the rear wheels. This bolt-on system utilizes the factory hanger locations and includes your choice of tailpipe exits, either dual out the rear exiting under the bumper, or dual out the side behind the rear wheels to help prevent blowing exhaust on your boat or trailer when towing. The system is finished off with a pair of large 3.50-inch double wall polished 304 stainless steel tips. Designed for a perfect fit, the system includes installation instructions and all the necessary hardware for an easy at home installation. Note: Fits 2/4 wheel drive Crew cab and double cab models.
Features and Benefits
• Large 3.50 inch Polished 304 Stainless Tips
• Uses the Factory Hanger Locations
• Deep, Powerful Performance Tone
• Full Stainless Steel Construction
• Clears Factory Spare Tire
• Lifetime Limited Warranty
• Mandrel-bent Tubing
• Easy Installation
• Max Dyno Gains of 21 hp and 23 lb.ft. of Torque
Does not fit crew cab 2WD with 2-piece driveshaft, 2019 LD/classic body or trucks with factory dual exhaust tailpipes. Does not fit models wit the Multimatic suspension option.
Part Number: 817853
This Flowmaster® American Thunder® Cat-back exhaust system is perfect for the person looking for deep, powerful sound outside the vehicle with a little growl inside the cab. This emissions-legal system is for 2WD & 4WD 2019-2026 GM 1500 trucks (new body style) with the 5.3L engine and factory single exhaust. System features include full stainless steel construction, a single in/dual outlet Super 40® Series muffler and mandrel-bent dual 2.50-inch stainless steel tailpipes for maximum performance and a deep sound. Maximum dyno gains of 21 hp and 23 lb.ft. at the rear wheels. This bolt-on system utilizes the factory hanger locations and includes your choice of tailpipe exits, either dual out the rear exiting under the bumper, or dual out the side behind the rear wheels to help prevent blowing exhaust on your boat or trailer when towing. The system is finished off with a pair of large 3.50-inch double wall polished 304 stainless steel tips. Designed for a perfect fit, the system includes installation instructions and all the necessary hardware for an easy at home installation. Note: Fits 2/4 wheel drive Crew cab and double cab models.
Features and Benefits
• Large 3.50 inch Polished 304 Stainless Tips
• Uses the Factory Hanger Locations
• Deep, Powerful Performance Tone
• Full Stainless Steel Construction
• Clears Factory Spare Tire
• Lifetime Limited Warranty
• Mandrel-bent Tubing
• Easy Installation
• Max Dyno Gains of 21 hp and 23 lb.ft. of Torque
Does not fit crew cab 2WD with 2-piece driveshaft, 2019 LD/classic body or trucks with factory dual exhaust tailpipes. Does not fit models wit the Multimatic suspension option.
Specifications
Specifications
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Specifications
Brand Flowmaster California Proposition 65 Yes California Proposition 65 Chemical Name Nickel (Metallic) California Proposition 65 Chemical Name Chromium (hexavalent compounds) CARB (California) Compliant Yes Catalytic Converter Included No Catalytic Converter Quantity 0 Category Exhaust Clamping Type Flat Band Clamps Included Yes Emission Code 5 Exhaust Series American Thunder Exhaust Tip Color Silver Exhaust Tip Connection Clamp-On Exhaust Tip Cut Angled Exhaust Tip Diameter 3.50 Exhaust Tip Edge Angle Cut Exhaust Tip Finish Polished Exhaust Tip Intercooled No Exhaust Tip Length 13.00 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 Side Exit Style Dual Out Rear Finish Natural Gasket Or Seal Included No Grade Type Performance Hangers Included Yes Heat Shield Included No 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 13.50 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 3.00 Muffler Inlet Location Center Muffler Inlet Outside Diameter 3.13 Muffler Outlet Connection Slip-Fit Muffler Outlet Diameter 2.50 Muffler Outlet Location Dual Muffler Outlet Quantity 2 Muffler Overall Length 19.50 Muffler Part Number Kit Only Muffler Quantity 1 Muffler Series Super 40 Series Muffler Type Reflection 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 Sub Category Exhaust and Tail Pipes Tail Pipe Outlet Outside Diameter 2.50 Tail Pipe Quantity 2 Tail Pipe Quantity Dual Tail Pipe Tapered Outlet No Tip Logo Embossed Type Cat-Back Valve Included No Valve Type Not Applicable Warning California Proposition 65 -
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