8 Fairfax St SE
NAPA Auto Parts Genuine Parts Company
8 Fairfax St SE
Leesburg,  VA  20175
(703) 777-2055
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Store Hours
Mon-Fri:7:30 AM-7:00 PM
Sat:8:00 AM-5:00 PM
Sun:9:00 AM-5:00 PM
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Dual Exhaust Pipe Kit - Dynomax
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Dual Exhaust Pipe Kit - Dynomax

Part #: EXH 89023
Line: NAPA Exhaust

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Features & Benefits

Warranty: Standard : Warrantied to be free of defects in workmanship and materials within NINETY DAYS (90) from date of purchase. This warranty is not transferable.


Upgrade your vintage muscle car's exhaust system with a Thrush Turbo Header Back System. Featuring Thrush Turbo mufflers with reversible flow chambers, spun-locked heads and aluminized construction, it has everything needed for installation.

  • FOR CLASSIC VEHICLES -- Designed for 1964-72 Buick Skylark
  • 1964-72 Chevrolet Chevelle, Malibu, Monte Carlo
  • 1964-72 Oldsmobile Cutlass, F85, Cutlass Supreme
  • 1964-72 Pontiac GTO, LeMans, Tempest
  • see product information for engine spec
  • ENGINEERED TO LAST -- Features 2.5-in. aluminized smooth bend pipes
  • COMPLETE SOLUTION -- Designed to bolt to full-length headers, the kit includes H-pipe balance tube and all hangers, brackets and other hardware necessary for installation
  • CLASSIC SOUND -- Features Thrush Turbo mufflers with tri-flow design with reversible flow chambers for that classic Thrush sound
  • STRONG AND DURABLE -- Muffler has a 100% aluminized-coated shell and spun lock heads for long life
  • EASY TO INSTALL -- Bolt-on installation for an easy upgrade
  • no fabrication or welding required
  • BUY WITH CONFIDENCE -- Comes with Thrush's 90-day limited warranty


Brand Thrush
VMRS Code 043000000

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