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Flowmaster 817940 Crossmember Back Exhaust System 2.5" 409 Stainless

Name: Flowmaster 817940 Crossmember Back Exhaust System 2.5" 409 Stainless
Brand: Flowmaster
SKU: 401722326
Price: 999.95 USD
Availability: InStock

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Key item features

Robust Construction: Features 16-gauge, 2.50-inch 409 stainless steel pipes for enhanced durability and strength.
Optimized Performance: Mandrel-bent pipes maximize exhaust flow, while Super 44 mufflers deliver increased performance and an aggressive to moderate sound.
Versatile Compatibility: Crossmember-back design works with stock manifolds or headers, fitting 1967-1972 Chevrolet/GMC K10, K15/K1500, K20, K25/K2500 4WD V8 trucks.
Enhanced Scavenging: An H-pipe style crossover aids exhaust gas scavenging and effectively reduces drone.
Customizable Aesthetics: Offers three distinct tailpipe exit options, allowing for personalized styling.
Complete Installation: Includes all necessary hangers and hardware for a straightforward installation process.

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Specs

Vehicle make
Chevrolet, GMC
Vehicle model
K10, K15, K1500, K20, K25, K2500
Vehicle year
1967, 1968, 1969, 1970, 1971, 1972
Muffler type
Performance Mufflers
Material
409 Stainless Steel
Brand
Flowmaster

Current price is $999.95

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Columbus, 43215

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Comparison Overview:
Product	Viewing this item Flowmaster 817940 Crossmember Back Exhaust System 2.5" 409 Stainless current price $999.95 Flowmaster 817940 Crossmember Back Exhaust System 2.5" 409 Stainless	Flowmaster Signature Series Exhaust System current price Now $952.57, Was $1,022.29 Flowmaster Signature Series Exhaust System	Flowmaster 817659 Crossmember-back System - Force II - 70-73 Corvette - Moderate Sound current price $1,199.95 Flowmaster 817659 Crossmember-back System - Force II - 70-73 Corvette - Moderate Sound	Flowmaster Signature Series Exhaust System current price $957.57 Flowmaster Signature Series Exhaust System	Flowmaster 817938 American Thunder Crossmember-Back Exhaust System 2.5" 409 Stainless Dual Exit current price $870.95 Flowmaster 817938 American Thunder Crossmember-Back Exhaust System 2.5" 409 Stainless Dual Exit	Flowmaster Signature Series Exhaust System current price $875.46 Flowmaster Signature Series Exhaust System	Flowmaster Signature Series Exhaust System current price $888.52 Flowmaster Signature Series Exhaust System	Flowmaster Signature Series Exhaust System current price $737.15 Flowmaster Signature Series Exhaust System	Flowmaster 818204 American Thunder Direct Fit Muffler current price $665.95 Flowmaster 818204 American Thunder Direct Fit Muffler	EXHAUST SYSTEM current price $767.95 EXHAUST SYSTEM

Comparison Chart:
Vehicle make	ChevroletFlowmaster 817940 Crossmember Back Exhaust System 2.5" 409 Stainless	RamFlowmaster Signature Series Exhaust System	ChevroletFlowmaster 817659 Crossmember-back System - Force II - 70-73 Corvette - Moderate Sound	Ram; DodgeFlowmaster Signature Series Exhaust System	FordFlowmaster 817938 American Thunder Crossmember-Back Exhaust System 2.5" 409 Stainless Dual Exit	FordFlowmaster Signature Series Exhaust System	Chevrolet; GMCFlowmaster Signature Series Exhaust System	ToyotaFlowmaster Signature Series Exhaust System	RAMFlowmaster 818204 American Thunder Direct Fit Muffler	ChevroletEXHAUST SYSTEM
Vehicle model	K10Flowmaster 817940 Crossmember Back Exhaust System 2.5" 409 Stainless	1500Flowmaster Signature Series Exhaust System	Corvette StingrayFlowmaster 817659 Crossmember-back System - Force II - 70-73 Corvette - Moderate Sound	1500; Ram 1500Flowmaster Signature Series Exhaust System	F-100Flowmaster 817938 American Thunder Crossmember-Back Exhaust System 2.5" 409 Stainless Dual Exit	F-150Flowmaster Signature Series Exhaust System	-Flowmaster Signature Series Exhaust System	TacomaFlowmaster Signature Series Exhaust System	1500Flowmaster 818204 American Thunder Direct Fit Muffler	SILVERADOEXHAUST SYSTEM
Vehicle year	1967Flowmaster 817940 Crossmember Back Exhaust System 2.5" 409 Stainless	2019Flowmaster Signature Series Exhaust System	1973Flowmaster 817659 Crossmember-back System - Force II - 70-73 Corvette - Moderate Sound	2019Flowmaster Signature Series Exhaust System	1967Flowmaster 817938 American Thunder Crossmember-Back Exhaust System 2.5" 409 Stainless Dual Exit	2021Flowmaster Signature Series Exhaust System	2019Flowmaster Signature Series Exhaust System	2016Flowmaster Signature Series Exhaust System	2025Flowmaster 818204 American Thunder Direct Fit Muffler	2019EXHAUST SYSTEM
Muffler type	Performance MufflersFlowmaster 817940 Crossmember Back Exhaust System 2.5" 409 Stainless	Straight-Through MufflersFlowmaster Signature Series Exhaust System	Performance MufflersFlowmaster 817659 Crossmember-back System - Force II - 70-73 Corvette - Moderate Sound	Straight-Through MufflersFlowmaster Signature Series Exhaust System	Performance MufflersFlowmaster 817938 American Thunder Crossmember-Back Exhaust System 2.5" 409 Stainless Dual Exit	Performance MufflersFlowmaster Signature Series Exhaust System	Straight-Through MufflersFlowmaster Signature Series Exhaust System	Straight-Through MufflersFlowmaster Signature Series Exhaust System	Chambered MufflersFlowmaster 818204 American Thunder Direct Fit Muffler	Straight-Through MufflersEXHAUST SYSTEM

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About this item

Product details

Compatible with 1967-1972 Chevrolet/GMC K10, K15/K1500, K20, K25/K2500 4WD V8;

This Flowmaster American Thunder dual exhaust system is specifically designed for 1967-1972 Chevrolet and GMC K10, K15/K1500, K20, and K25/K2500 4wd trucks with V8 engines. The system is perfect for the person looking for an aggressive to moderate interior and exterior sound level. Starting at the crossmember-back, the exhaust comes complete with a built-in H-pipe crossover for better exhaust scavenging, all mandrel-bent 2.50-inch stainless steel tubing, a pair of Super 44 Series performance mufflers, and your choice of three tailpipe exits (Turndown behind rear tires, side exit behind rear tires, or straight out the back under the bumper). The system includes all hardware necessary for installation and is covered by our Lifetime Limited Warranty. Fits both short and long wheelbase trucks.;

Crossmember-Back Design Works with Stock Manifolds or Headers, Allowing More Application Options
16-Gauge, 2.50-Inch 409 Stainless Steel Pipes add Durability and Strength
Super 44 Mufflers Deliver Increased Performance and an Aggressive to Moderate Sound Level
Three Different Tailpipe Exit Options Allow You to Tailor the Look of the Kit to Your Style
Mandrel-Bent Pipes Help to Maximize the Exhaust Flow for Better Performance
H-Pipe Style Crossover Helps Exhaust Gas Scavenging and Reduces Drone
Includes Hangers and Hardware for Installation
Lifetime Limited Warranty

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Specifications

Vehicle make

Chevrolet, GMC

Vehicle model

K10, K15, K1500, K20, K25, K2500

Vehicle year

1967, 1968, 1969, 1970, 1971, 1972

Muffler type

Performance Mufflers

Warranty

Warranty information

Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.