Exhaust Header for 2002-2006 Acura RSX DC5/-05 Honda Civic Si/SiR 2.0L L4 DC5 EP3 K20A3

SKU: 11137SAS
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Description

DESCRIPTION

Experience the perfect blend of quality engineering and exceptional value with these high-performance headers. Manufactured from durable T-304 stainless steel with precision CNC-machined flanges and TIG/MIG welded construction, they deliver superior durability and flow characteristics. Computerized mandrel bending technology ensures smooth exhaust airflow for improved scavenging and reduced back pressure.

  • Inlet: 1.75"
  • Outlet Diameter: 2.5"
  • Piping Diameters: 4 X 1.75" Manifold Piping; into 1 X 2.50" Major Pipe
  • Collector Diameter: 2-1/2 in.
  • Head Flange Thickness:3/8 in.
  • Pipe Thickness: 16 gauge (1.5mm)
  • Made of High Quality T-304 Stainless Steel with Computerized Mandrel-Bends for Strength and Durability
  • Shorty design for power gain from idle to mid-range RPM
  • TIG Welded CNC Machine Flange
  • Professional Installation is Highly Recommended (No Instruction Included)

Fitment:

VEHICLE NAME Year Engine
Acura RSX 2002~2006 2.0L
Honda Civic 2002~2005 2.0L

POLICY

  •  Ships from nearest warehouse within 1 business day, arrives in 5-8 days(most area in 7 days)
  •  30-day return policy
  •  2-year replacement warranty

Note:

  •  Contact Us First: If you encounter any issues with your order, please reach out to us immediately. We're committed to resolving any concerns quickly and to your satisfaction.
  •  Feedback Consideration: Before leaving neutral or negative feedback, give us a chance to make things right. We'll work diligently to provide a solution that meets your needs.
  • Contact Email: support@samexhaust.com
Automotive Parts - Policy

Our Policies

SHIPPING

Ships from nearest warehouse within 1 business day, arrives in 5-8 days (most areas in 7 days).

RETURNS

30-day return policy for all products.

WARRANTY

2-year replacement warranty on all parts.

OEM EXHAUST MANIFOLDS VS PERFORMANCE HEADERS

Equal-Length Primary Tubes
Synchronized exhaust pulses
DESIGN & ENGINEERING
Log-style Collector Design
Unequal-length runners
304 Stainless Steel
Mandrel-bent construction
MATERIAL & CONSTRUCTION
Cast Iron
Heavy and prone to corrosion
Scavenging Effect
Negative pressure wave extraction
EXHAUST FLOW
Turbulent Flow
High backpressure design
5-15% HP Increase
Improved volumetric efficiency
PERFORMANCE GAIN
Restricted Performance
Factory emission compliance focus

Attention

Products on this site are for off-road/racing use only and are not legal for public roads where emissions laws apply.

Professional installation recommended. Removing emissions equipment (DPF, CAT, SCR, DOC) requires deleting related sensors and a compatible tuner to avoid engine codes.

Performance gains may vary—no guarantees.

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