1970-1974 Pontiac Firebird/Trans Am, 1964-1974 GTO/Le Mans/Grand Am: 350-455, Tube Size 1.625" O.D. x 28", Collector Size 3" O.D., Collector Length 8", Port Shape: Same As Port;

1970-1974 Pontiac Firebird/Trans Am, 1964-1974 GTO/Le Mans/Grand Am: 350-455, Tube Size 1.625" O.D. x 28", Collector Size 3" O.D., Collector Length 8", Port Shape: Same As Port;Tuned-length primary tubes for better performance; Mandrel-bent tubing for smooth exhaust flow; Light weight & sturdy 16 gauge tubing; Long transition collector for decreased back pressure; 5/16” machined flanges for a perfect seal; Industry’s best welds for durability; designed for easy, trouble-free fit; All necessary hardware included for a complete installation;
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4901HKR Hooker Competition Long Tube Headers - Painted

327.95

1970-1974 Pontiac Firebird/Trans Am, 1964-1974 GTO/Le Mans/Grand Am: 350-455, Tube Size 1.625" O.D. x 28", Collector Size 3" O.D., Collector Length 8", Port Shape: Same As Port;

1970-1974 Pontiac Firebird/Trans Am, 1964-1974 GTO/Le Mans/Grand Am: 350-455, Tube Size 1.625" O.D. x 28", Collector Size 3" O.D., Collector Length 8", Port Shape: Same As Port;Tuned-length primary tubes for better performance; Mandrel-bent tubing for smooth exhaust flow; Light weight & sturdy 16 gauge tubing; Long transition collector for decreased back pressure; 5/16” machined flanges for a perfect seal; Industry’s best welds for durability; designed for easy, trouble-free fit; All necessary hardware included for a complete installation;

  • Tuned-length primary tubes for better performance
  • Mandrel-bent tubing for smooth exhaust flow
  • Light weight & sturdy 16 gauge tubing
  • Long transition collector for decreased back pressure
  • 5/16” machined flanges for a perfect seal
  • Industry’s best welds for durability
  • designed for easy, trouble-free fit
  • All necessary hardware included for a complete installation

General Policies

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Warranty & Return Policy

  • Holley Performance Products warrants new products to be free from defects in material and workmanship for a period of 90 days from date of purchase.
  • Holley Performance Products Limited Warranty specifically does not apply to products, which have been (a) modified or altered in any way; (b) subjected to adverse conditions, such as misuse, neglect, accident, improper installation or adjustment, dirt or other contaminants, water, corrosion, or faulty repair; or (c) used in other than those applications recommended by Holley Performance Products.  Holley Performance Products also does not warrant, and disclaims all liability for products used in racing activities and/or applications other than those specifically recommended in the current brand catalog.
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  • We can not ship as a "GIFT" or ship anything internationally with changes to the invoice

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