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Photo of Downpipes, Flowmaster, 1965-68 G/T/L, 2.5" Stainless Steel, 2-Bolt Flange
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Flowmaster

Downpipes, Flowmaster, 1965-68 G/T/L, 2.5" Stainless Steel, 2-Bolt Flange

Part# : G241588
Mfg#: 81073
Sold As: Pair
Ship Size: Oversize 3
$312.99
List Price: $344.95
You Save $31.96
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Vehicle Specific View fitment for 3 models
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Rugged stainless steel

Mandrel bent for optimal flow

These new downpipes from Flowmaster are manufactured using premium 409S stainless steel for superior strength and longevity. Each pipe is mandrel bent to eliminate restrictions and features a 2.00" inlet and 2.50" outlet. The original style 2-bolt flange is ideal for mounting to your original 389/400 exhaust manifolds.

Notes

  • Downpipes are only for use with original GM manifolds 9779032-LH and 9779328-RH designed for 389/400 V8 engines.
  • This item is not eligible for any further discounts or promotional pricing.
  • SHIP NOTE: Item exceeds standard ground freight size/weight, and is not eligible for free ground shipping.
4
This product does not require an EO in California. By nature of its design, it is legal for sale and use in all 50 states. Replacement parts included. Learn More

Find Item In This Catalog

  • 2025 GTO, LeMans & Tempest 255
WARNING: This product can expose you to chemicals including lead, sulfur, nickel, chromium, vanadium, titanium, polyvinyl chloride, and 4,4’-methylenebis (2-chloroaniline), which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Vehicle Fitment

Year Make Model Application Details
1965–1968 Pontiac GTO  
1965–1968 Pontiac LeMans  
1965–1968 Pontiac Tempest  
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Downpipes, Flowmaster, 1965-68 G/T/L, 2.5
Flowmaster Downpipes, Flowmaster, 1965-68 G/T/L, 2.5" Stainless Steel, 2-Bolt Flange