Cast Iron Turbo Manifold for 02-06Acura RSX K20, 02-05C-ivic SI EP3 K20 with T3 Turbo Flange

Cast Iron T3 Turbo Manifold – K20

2002–2006 Acura RSX / 2002–2005 Civic Si EP3

If you’re boosting a K20 and want something durable, heat-resistant, and crack-resistant, a cast iron T3 turbo manifold is one of the most reliable foundations you can run.

Designed for the Acura RSX (2002–2006) and Honda Civic Si (2002–2005), this manifold fits the Honda K20 and features a T3 turbo flange for mid-to-large frame turbo setups.

Because cracked tubular manifolds are not fun.

Turbo Manifold Made of Cast Iron

02-06Acura RSX K20, 02-05C-ivic SI EP3 K20

With T3 Turbo Flange

Why Cast Iron?

Compared to thin-wall tubular manifolds, cast iron offers:

Superior heat retention
Reduced cracking under high boost
Stronger structural integrity
Long-term durability
Lower maintenance over time

It may not look flashy—but it survives abuse.

100% Brand New, Never Used or Installed
Turbo Manifold Made of Cast Iron
Direct Bolt on

Key Features

T3 turbo flange
Cast iron construction
Designed for K20 head flange
Compact runner design
Compatible with external wastegate setups (model dependent)
Built for high-heat turbo environments

Translation: reliable boost delivery without weld fatigue.

With T3 Turbo Flange fits T3 or T4/T3 Turbocharger
With 35mm/38mm External Wastegate Flange

Application

02-06Acura RSX KA20A2/K20A3 DC5 Base/Type-s 2.0L engine T3/T4

02-05Civic SI K20A3 EP3 2.0 engine T3/T4

Ideal Power Range

Perfect for:

350–600HP builds
Street turbo conversions
Track-day applications
Reliable daily-driven turbo setups

Pair with a GT30/GT35 style turbo and you’ve got a serious street setup.

Installation Considerations

Confirm T3 flange orientation
Check radiator and fan clearance
Use new manifold studs & gaskets
Proper heat management recommended
Verify downpipe routing

Because fitment matters more than horsepower dreams.

Exactly Same as the Picture

We offer 90 days warranty from the purchase date.

Professional Installer Is Highly Recommend (No Instruction Included)

Compatibility

Acura RSX (2002–2006) – K20
Honda Civic Si EP3 (2002–2005) – K20

⚠️ Always confirm engine variant and turbo orientation before ordering.

Final Verdict

The Cast Iron T3 Turbo Manifold for K20 RSX & EP3 is a durable, boost-ready solution for reliable turbo builds. Strong construction, heat resistance, and T3 compatibility make it ideal for serious street power.

Because reliability > shiny welds.

Specification: Cast Iron Turbo Manifold for 02-06Acura RSX K20, 02-05C-ivic SI EP3 K20 with T3 Turbo Flange

Brand	‎Generic
Fit Type	‎Vehicle Specific Fit
UPC	‎304694529282
Model	‎MFC HD MF010 K20
Product Dimensions	‎16 x 6 x 4 inches
Item model number	‎MFC HD MF010 K20
Manufacturer Part Number	‎MFC HD MF010 K20
ASIN ‏	B0C19RVHK7
Date First Available	April 2, 2023
Manufacturer	‎E-MOTOR, Generic

Dimensions

Weight	4.989512 kg
Dimensions	40.64 × 15.24 × 10.16 cm

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Cast Iron Turbo Manifold for 02-06Acura RSX K20, 02-05C-ivic SI EP3 K20 with T3 Turbo Flange

Cast Iron T3 Turbo Manifold – K20