Flowmaster American Thunder Crossmember-Back Exhaust System #17655

Out of stock


1965-1968 Chevrolet Impala, Caprice coupes, wagons and convertibles with V8 engine. Replaced by part number 17655-FM

PART# 17655

The American Thunder Cross-member 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. The system does Not include header reducer cones.


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

Header-back True Dual Exhaust System

Does Not Include Header Reducers


Brand Flowmaster

California Proposition 65 Chemical Name Chromium (hexavalent compounds)

Nickel (Metallic)

California Proposition 65 Required Yes

Catalytic Converter Included No

Color Black

Emission Code 3

Exhaust Series American Thunder

Exit Position Dual Rear Exit

Heat Shield No

Inlet Diameter (in) 2.5

Material Aluminized Steel

Mount Type Flanged

Muffler Part Number Kit Only

Muffler Quantity 2

Muffler Series Super 40 Series

Muffler Type Welded Baffle

Outlet Diameter (in) 2.5

Product Type Exhaust Systems / Kits

Shape Oval

Single Dual Dual

Part Number 17655

More Information
Part Type Exhaust System Kits
Product Line Exhaust
Brand Flowmaster
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