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Flowmaster American Thunder Crossmember-Back Exhaust System for Chevrolet

Part # 817174

  • H-pipe Crossover for Maximum Power and Deep Tone
  • Super 44 Series Mufflers for Deep Powerful Sound
  • Mandrel-bent 16-gauge Stainless 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
  • Lifetime Limited Warranty

Description

For the person who is looking for a complete Crossmember-Back dual exhaust system for your 1955-1957 Chevy coupes and sedans. This American Thunder® system is manufactured from 2.50-inch mandrel-bent stainless steel for maximum performance and longevity, and includes a built-in H-pipe for a mellow smooth tone eliminating back rap on deceleration. The system includes a pair of Super 40® Series performance mufflers for a deep exterior sound, with a moderate interior tone and dual tailpipes tucked up high for clearance and exit straight out the back under the rear bumper. Like all Flowmaster® systems, the benefits include improved throttle response, power and mileage. Designed for an easy fit, these systems include all necessary parts and hardware for easy installation. Covered by our Lifetime Limited Warranty. Notes: Does Not fit wagons or convertibles.

Specifications

CARB (California) CompliantYes
Catalytic Converter IncludedNo
Catalytic Converter Quantity0
Clamping TypeFlat Band
Clamps IncludedYes
Drive2WD
Exhaust SeriesAmerican Thunder
Exhaust Tip ColorSilver
Exhaust Tip ConnectionClamp-On
Exhaust Tip CutAngled
Exhaust Tip Diameter3.00 in
Exhaust Tip EdgeRolled Edge Angle Cut
Exhaust Tip FinishPolished
Exhaust Tip IntercooledNo
Exhaust Tip Length12.00 in
Exhaust Tip Material304 Stainless Steel
Exhaust Tip Quantity2
Exhaust Tip ResonatedNo
Exhaust Tip ShapeRound
Exhaust Tip WallSingle Wall
Exit StyleDual Out Rear
FinishNatural
Gasket Or Seal IncludedNo
Grade TypePerformance
Hangers IncludedYes
Heat Shield IncludedNo
Inlet Diameter2.50 in
UPC / GTIN00700042023868
WarrantyManufacturer's Limited Lifetime Warranty

Fits these vehicles

YearMakeModelSubmodelEngineNote
1955 - 1956ChevroletBel AirBase, Beauville, Nomad4.3L V8Polished Tip Finish, Does not fit convertible or wagon.
1957ChevroletBel AirBase, Nomad4.3L V8, 4.6L V8Polished Tip Finish, Does not fit convertible or wagon.
1955 - 1956ChevroletOne-Fifty SeriesBase4.3L V8Polished Tip Finish, Does not fit convertible or wagon.
1957ChevroletOne-Fifty SeriesBase4.3L V8, 4.6L V8Polished Tip Finish, Does not fit convertible or wagon.
1955 - 1956ChevroletTwo-Ten SeriesBase, Del Ray4.3L V8Polished Tip Finish, Does not fit convertible or wagon.
1957ChevroletTwo-Ten SeriesBase, Del Ray4.3L V8, 4.6L V8Polished Tip Finish, Does not fit convertible or wagon.