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Flowmaster 817654 Crossmember back 409S - Dual Rear or Side Exit - Moderate/Aggressive Sound
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Key item features
- Sound Profile: Features Super 44 Series mufflers, delivering a moderate to aggressive exterior exhaust tone and a deep, powerful sound.
- Exhaust Configuration: A crossmember-back true dual exhaust system with an H-pipe crossover for maximum power.
- Material Construction: Constructed from mandrel-bent 16-gauge 409S stainless steel tubing for durability.
- Tailpipe Options: Offers four choices for tailpipe exits, including angled down, straight out the back, side exit behind rear tires, or dump style.
- Vehicle Compatibility: Designed for 1967-1972 Chevrolet/GMC C10 and C15 1/2 ton 2WD trucks with V8 engines and coil spring suspension.
- Installation Inclusions: Includes all necessary hangers and hardware for a complete installation, providing clearance for lowered vehicles.
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Specs
- Vehicle model817654
- Vehicle year1967, 1968, 1969, 1970, 1971, 1972
- Vehicle makeChevrolet, GMC
- Vehicle fitment typeSpecific
- Automotive parts divisionPerformance
- BrandFlowmaster
Current price is USD$972.95
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Columbus, 43215
Arrives by Sat, Feb 7
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Starting from $972.95
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About this item
Product details
Compatible with 1967-1972 Chevrolet/GMC C10, C15 1/2 ton trucks with V8 engines. Stainless Steel.;
This American Thunder exhaust system is specifically designed for 1967-1972 Chevrolet and GMC C10 and C15 1/2 ton 2wd trucks with coil spring suspension. The system is perfect for the person looking for a moderate to aggressive interior and exterior sound level. Starting at the cross-member back, the exhaust comes complete with a built-in H-pipe crossover, all mandrel-bent 2.50 in. stainless steel tubing, a pair of Super 44 Series performance mufflers, and your choice of four tailpipe exits. One set slightly angled down to clear larger rear bumpers, one set straight out the back under the rear bumper, out the sides behind the rear tires for that classic truck look or a dump style exiting behind the rear tires level with the body. The system includes all hardware necessary for installation and provides adequate clearance for substantially lowered vehicles. The exhaust system is covered by our Lifetime Limited Warranty. If you prefer Aluminized steel construction, check out system #17654 which comes with our 3-year Limited Warranty. Fits both short and long wheelbase trucks.;
This American Thunder exhaust system is specifically designed for 1967-1972 Chevrolet and GMC C10 and C15 1/2 ton 2wd trucks with coil spring suspension. The system is perfect for the person looking for a moderate to aggressive interior and exterior sound level. Starting at the cross-member back, the exhaust comes complete with a built-in H-pipe crossover, all mandrel-bent 2.50 in. stainless steel tubing, a pair of Super 44 Series performance mufflers, and your choice of four tailpipe exits. One set slightly angled down to clear larger rear bumpers, one set straight out the back under the rear bumper, out the sides behind the rear tires for that classic truck look or a dump style exiting behind the rear tires level with the body. The system includes all hardware necessary for installation and provides adequate clearance for substantially lowered vehicles. The exhaust system is covered by our Lifetime Limited Warranty. If you prefer Aluminized steel construction, check out system #17654 which comes with our 3-year Limited Warranty. Fits both short and long wheelbase trucks.;
- Super 44 Series Mufflers for Deep Powerful Sound
- Includes Hangers and Hardware for Installation
- Crossmember-back True Dual Exhaust System
- Mandrel-bent 16-gauge Stainless Steel Tubing
- Moderate to Aggressive Exterior Exhaust Tone
- H-pipe Crossover for Maximum Power
- Four Choices of Tailpipe Exits
- Lifetime Limited Warranty
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Specifications
Vehicle model
817654
Vehicle year
1967, 1968, 1969, 1970, 1971, 1972
Vehicle make
Chevrolet, GMC
Vehicle fitment type
Specific
Warranty
Warranty information
Limited Lifetime
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.
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.
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| Vehicle model | 817654Flowmaster 817654 Crossmember back 409S - Dual Rear or Side Exit - Moderate/Aggressive Sound | MustangFlowmaster 17282 Header-back System - Dual Rear Exit - American Thunder - Aggressive Sound | 20695559-101MagnaFlow Exhaust Products Performance Exhaust System 19676 | 1500Flowmaster 717860 Flow FX Exhaust System Kit | FirebirdFlowmaster 817129 Header-back System - Dual Side Exit - American Thunder - Aggressive Sound | F-150Flowmaster 817727 Cat-back 409S - Force II Kit - SOS - Mild/Mod Sound | GladiatorFlowmaster 818131 American Thunder Filter-Back Exhaust System - 3.0 Inch Single Out Rear Exit | FairlaneFlowmaster 17289 Header-back System - Dual Rear Exit - American Thunder - Moderate Sound | RangerFor Ford Mustang 2024 Magnaflow Exhaust Kit | 17139Flowmaster 17139 Header-back System - Dual Rear Exit - American Thunder - Moderate/Aggressive |
|---|---|---|---|---|---|---|---|---|---|---|
| Vehicle year | 1967Flowmaster 817654 Crossmember back 409S - Dual Rear or Side Exit - Moderate/Aggressive Sound | 1967Flowmaster 17282 Header-back System - Dual Rear Exit - American Thunder - Aggressive Sound | -MagnaFlow Exhaust Products Performance Exhaust System 19676 | 2009Flowmaster 717860 Flow FX Exhaust System Kit | -Flowmaster 817129 Header-back System - Dual Side Exit - American Thunder - Aggressive Sound | 2015Flowmaster 817727 Cat-back 409S - Force II Kit - SOS - Mild/Mod Sound | 2021Flowmaster 818131 American Thunder Filter-Back Exhaust System - 3.0 Inch Single Out Rear Exit | 1966Flowmaster 17289 Header-back System - Dual Rear Exit - American Thunder - Moderate Sound | 2024For Ford Mustang 2024 Magnaflow Exhaust Kit | 1969Flowmaster 17139 Header-back System - Dual Rear Exit - American Thunder - Moderate/Aggressive |
| Vehicle make | ChevroletFlowmaster 817654 Crossmember back 409S - Dual Rear or Side Exit - Moderate/Aggressive Sound | FordFlowmaster 17282 Header-back System - Dual Rear Exit - American Thunder - Aggressive Sound | U7-L1773 MAMagnaFlow Exhaust Products Performance Exhaust System 19676 | RamFlowmaster 717860 Flow FX Exhaust System Kit | CamaroFlowmaster 817129 Header-back System - Dual Side Exit - American Thunder - Aggressive Sound | FordFlowmaster 817727 Cat-back 409S - Force II Kit - SOS - Mild/Mod Sound | JeepFlowmaster 818131 American Thunder Filter-Back Exhaust System - 3.0 Inch Single Out Rear Exit | -Flowmaster 17289 Header-back System - Dual Rear Exit - American Thunder - Moderate Sound | U7-L1767 MAFor Ford Mustang 2024 Magnaflow Exhaust Kit | Chevrolet, PontiacFlowmaster 17139 Header-back System - Dual Rear Exit - American Thunder - Moderate/Aggressive |
| Vehicle fitment type | SpecificFlowmaster 817654 Crossmember back 409S - Dual Rear or Side Exit - Moderate/Aggressive Sound | SpecificFlowmaster 17282 Header-back System - Dual Rear Exit - American Thunder - Aggressive Sound | SpecificMagnaFlow Exhaust Products Performance Exhaust System 19676 | SpecificFlowmaster 717860 Flow FX Exhaust System Kit | SpecificFlowmaster 817129 Header-back System - Dual Side Exit - American Thunder - Aggressive Sound | SpecificFlowmaster 817727 Cat-back 409S - Force II Kit - SOS - Mild/Mod Sound | SpecificFlowmaster 818131 American Thunder Filter-Back Exhaust System - 3.0 Inch Single Out Rear Exit | SpecificFlowmaster 17289 Header-back System - Dual Rear Exit - American Thunder - Moderate Sound | SpecificFor Ford Mustang 2024 Magnaflow Exhaust Kit | SpecificFlowmaster 17139 Header-back System - Dual Rear Exit - American Thunder - Moderate/Aggressive |
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