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Exhaust Bolt Kit
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DYNOMAXPART NUMBER: 289-88330

Exhaust Bolt Kit

$24119$267.99You Save$26.80
ShippingShips on 11/06/2026
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X-Pipe
Exhaust Bolt Kit
  • Sold Individually

    The Dynomax 88330 is an exhaust bolt kit for universal exhaust applications. It is engineered to restore proper exhaust flow and provide a direct-fit installation.

    Dynomax 88330 Key Benefits:

    • Features O.D. sized inlets and outlets for easy fabrication of custom exhaust systems.
    • Mandrel bends improve flow capacity over traditional bends while increased pipe diameter from OE sizes increases flow and power.
    • Fixture checked to ensure a precise fit for quick and easy installation.
    • Offered in a variety of styles and sizes for a quality vehicle repair.
    • Made from aluminized steel for durability and long life.
    • Design and custom fabricate your own exhaust system with DynoMax pipe.
    • Use premium DynoMax accessories when installing DynoMax mufflers and exhaust systems for a complete performance exhaust system upgrade.
    • Intended for on-track/off-road use only; not emission legal for vehicles driven on the street; for use with long tube headers.
  • Dynomax has universal H, J, X & Y Pipes for those who want to build their own exhaust. The universal X-Pipes are made from high-quality aluminized steel and are available in 2.5" or 3" outside diameter. The universal Y-Pipes are manufactured with 16 gauge aluminized coated steel, and come in different outside pipe diameters. They have mandrel bent tubing, and coming with an overall length of 12".

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    Take the restriction out of your exhaust system with Dynomax off-road / on-track X & Y-pipe kits. These are direct bolt-on kits designed to replace you restrictive catalytic converters. Made from 2.5" or 3" OD aluminized mandrel bent steel, these kits are designed for off-road applications only. Most kits include clamps to complete installation. Dynomax also has direct fit Y-pipes that are designed to fit your vehicle without any modifications. These Y-Pipes are factory-style replacements are mandrel bent for quality and performance. They are manufactured from aluminized steel for extended life. The Universal X-Pipe Kits include:

    • X-Pipe
    • 4 Connecting Pipes
    • 8 U-clamps for assembly.
    Part TypeExhaust Bolt and Spring
    Product LineDynomax H, J, X & Y-Pipes
    BrandDYNOMAX
    Package Height9.2
    Package Width13.8
    Package Length30.2
    Weight27.87 PG
    Part CategoryPerformance Parts
    Includes Catalytic ConvertersNo
    Center Line RadiusN/A
    PositionN/A
    Pipe Diameter3 in (76.2 mm)
    Product GradeEconomy
    QuantitySold as a kit
    MaterialAluminized Steel
    Pipe MaterialMild steel
    Bend AngleN/A
    Gauge14
    Pipe FinishAluminized
    Leg/Straight LengthN/A
    Tube Size3 in (76.2 mm)
    Part FitmentUniversal
    Pipe StyleX-pipe
    Tube Diameter3 in (76.2 mm)
    Vendor Part Number88330
    Package Qty1
    Package TypeEA

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    Some parts are not legal for use in California or other states with similar laws / regulations
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