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Made in USA
Bolt-On Collector Extensions 18" long, 3-1/2" I.D.
InfoVehicle Info Needed
JEGSPART NUMBER: 555-30634

Bolt-On Collector Extensions 18" long, 3-1/2" I.D.

$8599$92.89You Save$6.90
ShippingShips on 11/23/2026
Lowest PriceLowest Price Guarantee

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Bolt-On
    Bolt-On Collector Extensions
  • 18" long, 3-1/2" I.D.
  • Made in the USA

    Bolt-on or slip-on, these extensions enable torque curve adjustment to suit track conditions. Bolt-ons include two extensions, nuts, bolts, and gaskets. Slip-ons have 2 extensions & clamps.

Part TypeHeader Extension
Product LineJEGS Collector Extensions
BrandJEGS
Package Height6.5
Package Width8.5
Package Length18.6
Weight8.8 PG
Part CategoryPerformance Parts
Gaskets IncludedYes
Oxygen Sensor Bung IncludedNo
Collector Attachment3-bolt flange
QuantitySold as a pair
Collector Diameter3.5 in (88.9 mm)
Header Extension Length18 in (457.2 mm)
Part FitmentUniversal
Header Extension Offset0 in (0 mm)
Package Qty1
Package TypeEA
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Please click here to download the instructions PDF file
Some parts are not legal for use in California or other states with similar laws / regulations
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