Turbo Kit for Acura RSX K20 (2002-2006) 2.0L Base Type-S K20A2 K20A3

Complete T3/T4 turbo kit for the 2002–2006 Acura RSX (DC5) with the 2.0L K20 DOHC i-VTEC — Base K20A3 and Type-S K20A2. Built around a stainless tubular K-series manifold, hybrid T3/T4 turbo, front-mount intercooler, 35mm external wastegate, downpipe, oil lines and a full set of boost, fuel and cooling support parts. A tune is required, and the downpipe must be adapted to your exhaust.

Why this kit

• TIG-welded 321 stainless tubular manifold with large primaries and T3 turbo flange
• T3/T4 hybrid turbo, .57 trim, .50 A/R compressor / .63 A/R turbine
• Includes stainless downpipe, wastegate dump tube and full oil feed/return line package
• Front-mount intercooler, 2.5" aluminum piping, boost controller, BOV, adjustable FPR, catch can and billet fuel filter
• Electronic turbo timer, two slim fans, battery relocation box and heat wrap

Package Includes

• (1) T3/T4 hybrid turbocharger — oil fitting gaskets & mounting studs
• (1) 321 stainless tubular turbo exhaust manifold (T3 flange) with gaskets, bolts & hardware
• (1) Front-mount aluminum intercooler (2.5" hot inlet / 2.5" cold outlet)
• (1) Universal aluminum intercooler piping kit: (2) 90° bends, (2) 60° bends, (2) 45° bends, (2) straight 2.5" pipes, (2) 2.5" 90° silicone couplers, (6) 2.5" straight silicone couplers, (16) stainless worm-gear clamps
• (1) Turbo oil line package: 77" oil feed line, 36" angle oil feed line, 18" 5/8" high-temp oil return line, T fitting, feed/drain fittings, gaskets & hardware
• (1) Aluminum battery box relocation kit with cables, straps & hardware
• (1) Boost controller with install kit
• (1) Blow-off valve with install kit
• (2) Slim reversible cooling fans with mounting tabs
• (1) Electronic turbo timer with pigtail wiring
• (1) Adjustable fuel pressure regulator with gauge
• (1) Oil catch can with install kit
• (1) Billet aluminum high-flow fuel filter (6AN fittings)
• (1) 35mm external wastegate (2-bolt) with gaskets & flanges
• (1) 10 m heat wrap
• (1) Stainless downpipe (2.5" inlet, 5-bolt flange)
• (1) Radiator hose sleeving kit
• (1) High-flow 3" intake filter
• (1) High-flow breather cap
• (1) Wastegate positioning adapter
• (1) Wastegate dump tube
• (1) Coolant temperature sensor bung (38mm)

Turbocharger & Manifold Specs

• Turbo: T3/T4 hybrid, .57 compressor trim, .50 A/R compressor, .63 A/R turbine
• Compressor inlet 3" / outlet 2"; 1/8 NPT oil inlet; wet-float bearings
• Manifold: 321 stainless, tubular, T3 turbo flange, polished

Exact Fitment — Acura RSX

• 2002–2006 Acura RSX Base coupe — 2.0L K20A3
• 2002–2006 Acura RSX Type-S coupe — 2.0L K20A2 (2002–04) / K20Z1 (2005–06)
• Manual or automatic transmission per the seller
• Verify manifold-to-head flange, intercooler mounting and front bumper clearance before installation

Not Included

• Adapter pipe from the downpipe to your existing exhaust
• Oil-pan drain bung / pan tapping
• Larger fuel injectors and fuel pump
• ECU tune / engine management
• Upgraded clutch
• Installation instructions

Installation Notes

• A proper tune is required before driving under boost.
• Intercooler piping is universal and must be fitted up; expect trimming or light fabrication in the DC5 bay.
• The downpipe needs an adapter pipe or exhaust-shop work to join your exhaust.
• Oil return must drain by gravity; pan tapping or a drain bung is usually needed.
• BOV and wastegate flanges are welded at the installer's discretion.
• Seller states roughly 50–100 hp gain on a stock motor at about 8 psi. The "485 hp" figure is a marketed hardware ceiling with a built motor and supporting mods, not a dyno result.
• Let the turbo cool down before shutdown — the included turbo timer helps automate this.

FAQs

Does it fit both the RSX Base and Type-S?
Yes. Both use the 2.0L K20 in 2002–2006; the kit is listed for Base and Type-S coupes.

Is it a bolt-on, turnkey kit?
No. It includes the downpipe and oil lines, but you still need an exhaust adapter, fuel upgrades and a tune. Expect some piping fabrication.

How much power will it make?
On a healthy stock K20 at low boost (~8 psi), the seller expects about 50–100 hp more. Higher numbers need a built engine, fueling and a professional tune.

Can I keep A/C and power steering?
The seller says A/C and power steering may be retained, depending on routing.

Will it work with an automatic?
The seller says it works with automatic or manual gearboxes.