Street. Track. Everything between.
Your garage Find parts for your vehicle Select year, make and model to narrow your search.

Flowtech

Flowtech Rams Horn Exhaust Manifolds 31730-3FLT Manifolds, Cast, LS Swaps, Black Ceramic, Pair

SKU: BIG31730-3FLT

Exhaust Manifolds
Flowtech Rams Horn Exhaust Manifolds 31730-3FLT Manifolds, Cast, LS Swaps, Black Ceramic, Pair

Flowtech

Flowtech Rams Horn Exhaust Manifolds 31730-3FLT Manifolds, Cast, LS Swaps, Black Ceramic, Pair

SKU: BIG31730-3FLT

Exhaust Manifolds

Sale ends in Calculating...

A$1,101.76 A$1,172.24
LOW STOCK! Est Ship 4-7 days. HURRY! LOW STOCK. This item is in limited stock at one of our distribution centres. The ETA is the approximate time required to prepare your order for dispatch.
View cart 0
We accept
American Express
Mastercard
Visa
PayPal Checkout
Direct Deposit
Afterpay
Apple Pay
Google Pay
Zip Pay

Description

Flowtech Rams Horn exhaust manifolds feature a tightly fit block-hugger design for popular hot rod and street rods. The cast iron construction is styled in the vintage "Rams Horn" design for maximum strength and engine clearance. The manifolds use smooth-transition, 1 5/8 in. diameter primaries for increased exhaust flow, which means improved performance and throttle response. The thick header flange pads ensure a strong, leak-free seal.

Part Type

Exhaust Manifolds

Data: v4.2 - Upd: 2026-10-23 00:23:53

Specifications

Product Attributes - Brand
Flowtech
Product Attributes - Manufacturer's Part Number
31730-3FLT
Product Attributes - Part Type
Exhaust Manifolds
Product Attributes - Product Line
Flowtech Rams Horn Exhaust Manifolds
Product Attributes - UPC
090127074077
Product Attributes - Exhaust Manifold Material
Cast iron
Product Attributes - Exhaust Manifold Color
Black ceramic coated
Product Attributes - Mounting Hardware Included
No
Product Attributes - Exhaust Manifold Gaskets Included
No
Product Attributes - Remanufactured
No
Product Attributes - Quantity
Sold as a pair.
Product Attributes - Notes
Ideal for street rods and classes requiring cast iron exhaust manifolds. Outlet is 2.25 in. and includes flange.

Reference Information

Brand Name/s Flowtech
StreetFX SKU big31730-3FLT
SFX Item ID 5092268
Supplier Item Code 5092268
Manufacturer SKU 31730-3FLT
Manufacturer UPC 90127074077

Compatibility

Application Data
  • MakeCHEVROLET
    Beginning Year1997
    Ending Year2007
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size5.7L/350
    Exhaust Manifold LocationFront Left
  • MakeCHEVROLET
    Beginning Year1997
    Ending Year2007
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size5.7L/350
    Exhaust Manifold LocationFront Right
  • MakeCHEVROLET
    Beginning Year1999
    Ending Year2017
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size4.8L/294
    Exhaust Manifold LocationFront Left
  • MakeCHEVROLET
    Beginning Year1999
    Ending Year2017
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size4.8L/294
    Exhaust Manifold LocationFront Right
  • MakeCHEVROLET
    Beginning Year1999
    Ending Year2020
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size5.3L/325
    Exhaust Manifold LocationFront Left
  • MakeCHEVROLET
    Beginning Year1999
    Ending Year2020
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size5.3L/325
    Exhaust Manifold LocationFront Right
  • MakeCHEVROLET
    Beginning Year1999
    Ending Year2020
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size6.0L/364
    Exhaust Manifold LocationFront Left
  • MakeCHEVROLET
    Beginning Year1999
    Ending Year2020
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size6.0L/364
    Exhaust Manifold LocationFront Right
  • MakeCHEVROLET
    Beginning Year2006
    Ending Year2015
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size7.0L/427
    Exhaust Manifold LocationFront Left
  • MakeCHEVROLET
    Beginning Year2006
    Ending Year2015
    Engine TypeV8
    Engine FamilyChevy small block Gen III/IV (LS-based engines)
    Engine Size7.0L/427
    Exhaust Manifold LocationFront Right

Loading compatibility information...

Keep shopping

More from Flowtech