American Thunder Header-Back Exhaust System 1967-1968 GM Camaro/Firebird V8

Vehicle Info Needed

FLOWMASTERPART NUMBER: 389-17129

American Thunder Header-Back Exhaust System 1967-1968 GM Camaro/Firebird V8

Name: American Thunder Header-Back Exhaust System 1967-1968 GM Camaro/Firebird V8
Brand: FLOWMASTER
SKU: 389-17129
Price: 727.95 USD
Availability: InStock

^$727⁹⁵

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Ships on Nov 09, 2026

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GM Camaro/Firebird V8

1967-1968 GM Camaro/Firebird V8
2.5" Tubing
Tips Not Included
Dual Rear Exit
Super 44 Series Muffler
Aluminized Steel

Note: Can be installed on convertible models when with Hotchkis X-Brace 515-1404.

Experience An Exhaust System Tuned for Performance and Tone

If you need an exhaust system that has been dyno tuned to produce maximum performance, look no further than Flowmaster's American Thunder Exhaust Systems. This line, designed for passenger cars, produces a range of systems that offer moderate to aggressive exhaust notes. Available in axle, cat, and header-back configurations, Flowmaster has you covered. To ensure durability and ease of installation, these kits are made from 16-gauge mandrel bent tubing and includes the necessary hangers and hardware.

Part TypeExhaust System

Product LineFlowmaster American Thunder Exhaust Systems for Cars

BrandFLOWMASTER

Package Height12.0

Package Width17.0

Package Length66.0

Weight70.5 PG

Tailpipe Diameter (In.)2.5

Muffler Inlet Inside Diameter2.50 in.

Hangers IncludedYes

Main Piping Diameter2.50 in.

Tail Pipe QuantityDual

Inlet TypeWeld-On

Catalytic Converter Quantity0

Exit LocationSplit Rear

Inlet QuantityTwo

Muffler Body Length13 in.

Sound LevelAggressive / Moderate

Muffler Body MaterialAluminized Steel

Gasket Or Seal IncludedNo

Pipe ColorSilver

System FinishAluminized

Muffler Quantity2

Muffler Inlet Outside Diameter2.63 in.

Exit QuantityTwo

Muffler Flanged OutletNo

Tip QuantityNone

Exhaust TypeDual

Catalytic Converter IncludedNo

Heat Shield IncludedNo

Part CategoryPerformance Parts

Hardware IncludedYes

Exhaust Tip Quantity0

Valve IncludedNo

Muffler TypeChambered

Pipe MaterialAluminized Steel

Tail Pipe Tapered OutletNo

Muffler Body ShapeOval

Mounting Bracket IncludedYes

Muffler Outlet Quantity1

Muffler FinishBlack High-Temperature Paint Finish

Inlet Diameter2.50 in.

Clamps IncludedYes

Muffler StyleChambered

FinishAluminized

Exit StyleDual Out Side

Tip IncludedNo

Clamping TypeU-Bolt

Muffler Flanged InletNo

Spring Bolt Kit IncludedNo

Muffler SeriesSuper 44 Series

QuantitySold as a kit

Muffler IncludedYes

Exhaust Tip ConnectionClamp-On

System StyleHeader-back

Tail Pipe Outlet Outside Diameter2.50 in.

Muffler ConfigurationSingle inlet/Single outlet

System MaterialSteel

Valve TypeNot Applicable

Intermediate Pipe Diameter2.5 in (63.5 mm)

Part FitmentDirect Fit

Vendor Part Number17129

Package Qty1

Package TypeEA

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