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Flowmaster American Thunder Crossmember-Back Exhaust System for 1970-1974 Chevrolet Camaro and Pontiac Firebird

Part # 17149

  • Specially Designed Slimline 50 Series Mufflers for Max Clearance
  • H-pipe Crossover for Maximum Power and Deep Tone
  • Moderate to Aggressive Sound Exterior Exhaust Note
  • Includes 2.50-inch Polished 304 Stainless Steel Tips
  • Mandrel-bent 16-gauge Aluminized Steel Tubing
  • Includes Hangers and Hardware for Installation
  • Crossmember-Back True Dual Exhaust System
  • Does Not Include Header Reducers or Factory Manifold Downpipes

Description

This American Thunder® exhaust system comes as a complete true dual Crossmember-Back exhaust for your 1970-1974 Chevrolet Camaro or Pontiac Firebird with V8 engine. These dual systems feature 2.50-inch mandrel-bent aluminized steel tubing for maximum performance, includes a built-in H-pipe/balance tube flowing into a pair of Slimline 50 Series® Delta Flow mufflers that deliver a moderate to aggressive interior and exterior tone and are suited to the enthusiast who wants their performance to be heard. The 2.50-inch tailpipes exit straight out under the rear bumper and are finished off with 2.50-inch angle-cut brushed stainless steel tips and includes all hangers and necessary hardware for installation. Like all Flowmaster® systems, the benefits include improved throttle response, power and mileage. Covered by our 3-year Limited Warranty.

Specifications

CARB (California) CompliantYes
Catalytic Converter IncludedNo
Catalytic Converter Quantity0
Clamping TypeU-Bolt
Clamps IncludedYes
Drive2WD
Exhaust SeriesAmerican Thunder
Exhaust Tip ConnectionWelded
Exhaust Tip CutAngled
Exhaust Tip Diameter2.50 in
Exhaust Tip EdgeSlash Cut
Exhaust Tip FinishPolished
Exhaust Tip IntercooledNo
Exhaust Tip Material304 Stainless Steel
Exhaust Tip Quantity2
Exhaust Tip ResonatedNo
Exhaust Tip ShapeRound
Exhaust Tip WallSingle Wall
Exit StyleDual Out Rear
FinishAluminized
Gasket Or Seal IncludedNo
Grade TypePerformance
Hangers IncludedYes
Heat Shield IncludedNo
Inlet Diameter2.50 in
Inlet TypeWeld-On
Main Piping Diameter2.50 in
UPC / GTIN00700042016662
WarrantyManufacturer's Limited Lifetime Warranty

Fits these vehicles

YearMakeModelSubmodelEngineNote
1970 - 1972ChevroletCamaroBase, RS, SS, Z285.0L V8, 5.7L V8, 6.6L V82.50-inch Polished 304 Stainless Steel Tips, Moderate to Aggressive Sound Exterior Exhaust Note; Moderate to Aggressive Sound Exterior Exhaust Note; 2.50-inch Polished 304 Stainless Steel Tips
1973ChevroletCamaroBase, LT, RS, Z285.0L V8, 5.7L V82.50-inch Polished 304 Stainless Steel Tips, Moderate to Aggressive Sound Exterior Exhaust Note; Moderate to Aggressive Sound Exterior Exhaust Note; 2.50-inch Polished 304 Stainless Steel Tips
1974ChevroletCamaroBase, LT, Z285.7L V82.50-inch Polished 304 Stainless Steel Tips, Moderate to Aggressive Sound Exterior Exhaust Note; Moderate to Aggressive Sound Exterior Exhaust Note; 2.50-inch Polished 304 Stainless Steel Tips
1970PontiacFirebirdBase, Esprit, Formula, Trans Am5.7L V8, 6.6L V82.50-inch Polished 304 Stainless Steel Tips, Moderate to Aggressive Sound Exterior Exhaust Note; Moderate to Aggressive Sound Exterior Exhaust Note; 2.50-inch Polished 304 Stainless Steel Tips
1971 - 1974PontiacFirebirdBase, Esprit, Formula, Trans Am5.7L V8, 6.6L V8, 7.5L V82.50-inch Polished 304 Stainless Steel Tips, Moderate to Aggressive Sound Exterior Exhaust Note; Moderate to Aggressive Sound Exterior Exhaust Note; 2.50-inch Polished 304 Stainless Steel Tips