Flowmaster American Thunder Crossmember-Back Exhaust System – Flowmaster (17655-FM)

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.
1965-1968 Chevrolet Impala, Caprice coupes, wagons and convertibles with a V8 engine. – Aggressive to moderate sound
65-68 IMPALA/CAPRICE AMT
SYS 65-68 IM
“Due to possible differences in the frame design during these years, modification of the muffler frame hangers may be needed.
Manufacturer of performance exhaust systems, mufflers, performance air intakes, catalytic converters, race mufflers, headers and numerous exhaust accessories for late model cars, trucks, off-road, Jeeps, SUV’s, classic muscle cars, powersports vehicles and more. Flowmaster® gives you lots of exhaust choices with 12 designs of chambered mufflers, 3 styles of our exclusive “laminar-flow” mufflers and a new line of FlowFX “straight-through” performance mufflers, along with 4 sound categories of exhaust systems, giving you the customer, the power to custom tailor the sound of your vehicle whether you prefer mild, moderate or aggressive tones and sound levels. Since 1983, Flowmaster is the company you can trust, and has led the industry in offering only the best products you can buy for your vehicles.

Specifications

Vehicle Fitment