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Vehicle Info NeededFLOWMASTERPART NUMBER: 389-818150
818150 American Thunder Cat-Back Exhaust System; Fits Select Nissan; Frontier 3.8-Liter 3.0 in. Stainless Steel
$1,06595
3 left in stock
Ships on Sep 14, 2026
Lowest Price GuaranteeAmerican Thunder Cat-Back Exhaust SystemFits Select Nissan; Frontier 3.8-Liter 3.0 in. Stainless Steel Sold Individually
Flowmaster 389-818150 Features:
This Flowmaster® American Thunder® cat-back exhaust system for the 2022-2024 Nissan Frontier with the 3.8-liter engine is manufactured using durable 409 stainless steel throughout and features 2.50 and 3.00-inch mandrel bent pipes for better exhaust gas flow. A Super 50 series muffler is used for an aggressive to moderate sound level and maximum performance. Gain up to 8 hp and 7 lb-ft of torque at the rear wheels over stock. This single exit system has a 4.00-inch polished stainless steel tip with the Flowmaster logo embossed in it, for added style and a custom look. This system uses all the existing factory hanger locations and includes installation instructions and all necessary hardware for an easy installation that you can do at home. Backed by Flowmaster's Lifetime Limited Warranty.- 2.50 and 3.00-inch mandrel bent 16-gauge 409 stainless steel tubing maximizes exhaust flow and improves durability
- A 4.00-inch polished stainless steel tip adds a custom look to the truck
- Includes complete hardware and factory styled hangers in the stock location for an easy installation
- Super 50 series performance muffler delivers a deep, aggressive to moderate performance tone and improves exhaust flow
- Backed by Flowmaster’s Lifetime Limited Warranty
- Max gains of 8 hp and 7 lb-ft of torque at the rear wheels
Part TypeExhaust System
BrandFLOWMASTER
Package Height11.25
Package Width16.25
Package Length58.5
Weight64.0 PG
Muffler Inlet Inside Diameter2.50 in.
Hangers IncludedYes
Main Piping Diameter3 in.
Tail Pipe QuantitySingle
Inlet TypeFlanged
Exhaust Tip Material304 Stainless Steel
Catalytic Converter Quantity0
Muffler Body Length17 in.
Sound LevelAggressive / Moderate
Muffler Body Material409 Stainless Steel
Exhaust Tip CutAngled
Gasket Or Seal IncludedNo
Exhaust Tip IntercooledNo
Pipe ColorSilver
Muffler Quantity1
Muffler Inlet Outside Diameter2.63 in.
Muffler Flanged OutletNo
Exhaust Tip ResonatedNo
Muffler Outlet LocationCenter
Catalytic Converter IncludedNo
Part CategoryPerformance Parts
Exhaust Tip WallDouble Wall
Exhaust Tip Quantity1
Muffler Inlet LocationDual
Exhaust Tip FinishPolished
Exhaust Tip EdgeAngle Cut
Valve IncludedNo
Muffler TypeReflection
Pipe Material409 Stainless Steel
Muffler Body Width10 in.
Tail Pipe Tapered OutletNo
Muffler Body ShapeOval
Mounting Bracket IncludedNo
Muffler Outlet Quantity1
Muffler FinishBlack High-Temperature Paint Finish
Mount TypeUses Factory Hangers
Clamps IncludedYes
FinishNatural
Exit StyleSingle Out Side
Muffler Body Height5 in.
Clamping TypeFlat Band
Muffler Flanged InletNo
Spring Bolt Kit IncludedNo
Muffler SeriesSuper 50
Muffler IncludedYes
Exhaust Tip ConnectionClamp-On
Tail Pipe Outlet Outside Diameter3 in.
Valve TypeNot Applicable
Exhaust Tip Diameter4 in.
Part FitmentDirect Fit
Vendor Part Number818150
Package Qty1
Package TypeEA
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