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Vehicle Info NeededFLOWMASTERPART NUMBER: 389-17655-FM
17655-FM American Thunder Crossmember-Back Exhaust System; 1965-1968 Chevrolet Impala, Caprice coupes
$1,06595
Ships on 09/14/2026
Lowest Price GuaranteeAmerican Thunder Crossmember-Back Exhaust System1965-1968 Chevrolet Impala, Caprice coupes, wagons and convertibles with a V8 engine Sound Level: Aggressive To Moderate Sound Sold Individually
FLOWMASTER MUFFLERS 17655-FM Features:
The American Thunder Crossmember-Back exhaust system for 1965-1968 Chevrolet Impala and Caprice is perfect for the person looking for a moderate to aggressive sound level inside and outside of the car, with all of the performance benefits that you would expect from Flowmaster. This bolt-on exhaust system features mandrel-bent 2.50-inch aluminized steel tubing with a built-in H-pipe crossover, a pair of Super 40 Series mufflers and dual 2.50-inch mandrel bent tailpipes. The system is finished off with a pair of polished oval stainless steel tips. The system is covered by our 3-year Limited Warranty and is designed for an easy fit. The system includes all necessary parts and hardware for installation. Note: Fits coupes, wagons, and convertibles. Big Block cars, use Flowmaster# 81075 manifold down-pipe kit to connect to factory manifolds.- H-pipe Crossover for Maximum Power and Deep Tone
- Super 40 Series Mufflers for Deep Powerful Sound
- Includes Large Polished Stainless Steel Oval Tips
- Mandrel-bent 16-gauge Aluminized Steel Tubing
- Includes Hangers and Hardware for Installation
- Moderate to Aggressive Exterior Exhaust Tone
- Crossmember-back True Dual Exhaust System
- Does Not Include Header Reducers or Downpipes for Factory Manifolds
- For Factory Manifolds use Downpipe Kit # 81075
Part TypeExhaust System
BrandFLOWMASTER
Package Height14.25
Package Width18.1
Package Length63.0
Weight92.0 PG
Part CategoryPerformance Parts
Exhaust Tip Quantity2
Exhaust Tip FinishPolished
Valve IncludedNo
Muffler TypeChambered
Pipe MaterialAluminized Steel
Muffler Inlet Inside Diameter2.50 in.
Hangers IncludedYes
Main Piping Diameter2.50 in.
Tail Pipe QuantityDual
Tail Pipe Tapered OutletNo
Inlet TypeClamp-On
Exhaust Tip Material304 Stainless Steel
Muffler Body ShapeOval
Mounting Bracket IncludedYes
Muffler Outlet Quantity1
Muffler FinishBlack High-Temperature Paint Finish
Catalytic Converter Quantity0
Mount TypeFlanged
Inlet Diameter2.50 in.
Clamps IncludedYes
Muffler Body Length13.50 in.
Sound LevelAggressive / Moderate
FinishAluminized
Exit StyleDual Out Rear
Muffler Body MaterialAluminized steel
Clamping TypeFlat Band
Muffler Flanged InletNo
Exhaust Tip CutAngled
Gasket Or Seal IncludedNo
Spring Bolt Kit IncludedNo
Muffler SeriesSuper 40 Series
Exhaust Tip IntercooledNo
Pipe ColorSilver
Muffler IncludedYes
Exhaust Tip ConnectionClamp-On
Muffler Quantity2
Muffler Inlet Outside Diameter2.63 in.
Tail Pipe Outlet Outside Diameter2.50 in.
Valve TypeNot Applicable
Muffler Flanged OutletNo
Exhaust Tip ResonatedNo
Part FitmentDirect Fit
Catalytic Converter IncludedNo
Heat Shield IncludedNo
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
