The Flowmaster American Thunder Crossmember-Back Exhaust System, part number 17119, is designed for most 1964-1972 GM A-Body vehicles with V8 engines and aftermarket long-tube headers. This complete 2.5-inch dual exhaust system is constructed from 16-gauge aluminized steel with mandrel-bent tubing, a built-in H-pipe, and dual Super 40 Series chambered mufflers. The system delivers an aggressive to moderate exterior exhaust tone with a moderate interior sound while providing a classic dual-exhaust layout for Chevelle, GTO, Cutlass, Skylark, El Camino, and other applicable GM A-Body models.
Key Features & Specs:
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Series: Flowmaster American Thunder
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Type: Crossmember-back dual exhaust system
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Material: Aluminized steel
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Tubing Diameter: 2.5-inch
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Tubing Construction: Mandrel-bent 16-gauge tubing
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Mufflers: Dual Flowmaster Super 40 Series
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Muffler Design: Chambered
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Balance Pipe: Built-in H-pipe
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Sound Level: Aggressive to moderate exterior tone; moderate interior sound
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Exit Style: Dual rear
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Tailpipe Options: Slash-cut or turndown exit styles
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Engine Compatibility: V8 applications
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Header Compatibility: Designed for applications using aftermarket long-tube headers
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Installation: Hangers, clamps, mounting hardware, and required installation components included
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Part Number: 17119
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Warranty: Flowmaster 3-Year Limited Warranty
Fitment:
Designed for most 1964-1972 GM A-Body applications with V8 engines and aftermarket long-tube headers, including select:
- 1964-1972 Chevrolet Chevelle
- 1964-1972 Chevrolet El Camino
- 1970-1972 Chevrolet Monte Carlo
- 1965-1972 Buick Gran Sport / GS
- 1964-1972 Buick Skylark
- 1964-1969 Buick Special
- 1964-1971 Oldsmobile 442
- 1964-1972 Oldsmobile Cutlass
- 1964-1972 Oldsmobile F85
- 1964-1972 Pontiac GTO
- 1964-1972 Pontiac LeMans
- 1964-1970 Pontiac Tempest
- 1968-1972 Pontiac Grand Prix
- 1971-1972 GMC Sprint
Fitment varies by model, year, and submodel. This system is specifically intended for applicable V8 vehicles equipped with aftermarket long-tube headers.