06/02/2025 00:58

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Flowmaster 817409 Header-back System 409S- Dual Rear Exit – American Thunder – Aggressive Sound

SKU BDXN-817409

Categories

Make Pontiac,Buick

Modello LeMans,GS,GS 455,Skylark

896,76

American Thunder Header Back Exhaust System; Dual; Dual Rear Exit; Incl. 2.5 in. Tubing/Super 40 Series™ Mufflers/H-Pipe/Hardware; 409 Stainless Steel;

  • Mandrel Bent 16ga 409S Stainless Tubing
  • Limited Lifetime Warranty
  • Aggressive And Powerful Exterior Exhaust Tone
  • Incl. Hangers and Hardware For Easy Installation
  • Header Back System
  • Dual Out Rear Exit
  • Dyno Tuned for Maximum Performance
  • Premium Flowmaster Quality
compara

Description

For the person who is looking for a complete Header-back dual exhaust system with an aggressive tone. With easy fit in mind, these systems are mandrel bent for maximum performance and include specially selected mufflers. American Thunder systems deliver a moderate to aggressive interior and exterior tone and are suited to the enthusiast who wants their performance to be heard. 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.

Additional Attributes:

GTIN: 00700042024056
Tail Pipe Diameter: 2.500 in.
Tip Diameter: N/A
Tubing Diameter: 2.500 in.
WARNING CA Proposition 65: Yes
WARNING CA Proposition 65 Message: WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov
California Proposition 65 Chemical Name 1: Nickel (metallic)
California Proposition 65 Chemical Name 2: Chromium (hexavalent compounds)
Exhaust Series: American Thunder
Exhaust Type: Dual
Exit Position: Dual Rear
Exit Style: Straight
Heat Shield Attached: No
Inlet Diameter: 2.500 in.
Inlet Inside Diameter: N/A
Material: Stainless Steel
Muffler Count: 2
Muffler Part Number: Kit Only
Muffler Series: Super 40 Series
Outlet Diameter: 2.500 in.
Outlet Outside Diameter: 2.500 in.
Single or Dual: Dual
Sound Level: Aggressive
System Type: Header Back

Packaging:

Quantity of Each: 1
Package UOM: EA

PDF:

Fitment

BuickGSBase1972
GS 455Base1972
Skylark3501972
Base1972
PontiacLeMansBASE1973
Safari1973

Additional information

Weight 36,01 kg
Dimensions 49,0000 × 25,0000 × 14,0000 cm

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