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Civic Si Muffler Adaptor
Civic Si Muffler Adaptor

Civic Si Muffler Adaptor

Have a Civic Si Sedan but want one of the Coupe Exhausts? Before this product, that was not possible! But, this Greddy Muffler adaptor is designed to extend and seal the exhaust so you are able to use an exhaust designed for the coupe!
It includes all the hardware needed for the install.

Greddy Part#-- TP-11050104

...

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Price: $49.15 
Quantity:   
 
2007+ Civic Si Sedan 70mm Mega Power R Exhaust
2007+ Civic Si Sedan 70mm Mega Power R Exhaust
Skunk2 is pleased to announce their all new line of 70mm Mega Power R exhaust systems for the 2007+ Honda Civic Si Sedan.


Skunk2 Mega Power R exhaust systems are based off of the exhaust systems Skunk2 custom builds for their road race and time attack cars. These systems are designed for highly modified naturally aspirated or turbocharged applications that require more exhaust flow than what is achievable with the thei...

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Regular Price: $622.44
 On Sale For: $543.99 
Quantity:   
 
Skunk2 Mega Power Exhaust Systems for the 2006 - 2009 Honda Civic Si Coupe
Skunk2 Mega Power Exhaust Systems for the 2006 - 2009 Honda Civic Si Coupe
Order now for FREE SHIPPING on this exhaust!
 
Dyno-proven for maximum horsepower, Skunk2 Racing Mega Power cat-back systems are constructed from T-304 stainless steel and feature Japanese Super N1 styling. Skunk2 cat-back exhaust systems unleash your car's power by optimizing the velocity and flow from your engine. Each Mega Power exhaust is precision CNC mandrel be...

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Regular Price: $560.40
 On Sale For: $487.90 
Quantity:   
 
CT-Engineering Stainless Cat-back (06-07 Civic Si 2-Door)
CT-Engineering Stainless Cat-back (06-07 Civic Si 2-Door)
CT Engineering headers and exhaust systems are manufactured using CNC machined flanges and mandrel bent T-304 stainless steel tubing. All headers have precision fit merge collectors and all joints are TIG welded for durability and appearance. All mufflers are polished stainless steel with a polished stainless steel resonated tip and have been tuned to give a deep aggressive exhaust note, without being too loud....

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Regular Price: $695.00
 On Sale For: $651.90 
Quantity:   
 
Skunk2 Test Pipes for Honda Civic
Skunk2 Test Pipes for Honda Civic
Order now for FREE SHIPPING!

Skunk2 Racing Test-Pipes are designed to dramatically improve engine performance and increase horsepower by significantly reducing exhaust flow restriction. Made from mandrel-bent aircraft quality 304 stainless steel and precision TIG welded. Skunk2 test pipes features a sensor bung, heavy-duty flanges, and Skunk2 Racing acid-etched stainless...

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Regular Price: $120.00
 On Sale For: $105.99 
Quantity:   
 
CT-Engineering Stainless Steel Civic SI Headers
CT-Engineering Stainless Steel Civic SI Headers
CT Engineering headers and exhaust systems are manufactured using CNC machined flanges and mandrel bent T-304 stainless steel tubing. All CT-Engineering headers have precision fit merge collectors and all joints are TIG welded for durability and appearance.

Fits:  2006 - 2009 Honda Civic Si

CT Engineering uses both its in house DTS engine dyno and Dyno Dynamics chassis dyno to develop all of the headers and exh...

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Regular Price: $529.00
 On Sale For: $495.00 
Quantity:   
 
Skunk2 Megapower Exhaust Headers
Skunk2 Megapower Exhaust Headers
Now with Free Shipping!

The Skunk2 MegaPower Header is designed and engineered to maximize exhaust flow and increase both horsepower and torque throughout the entire RPM powerband. Their unique design is the result of over a decade of racing experience coupled with computerized modeling and extensive dyno testing.

Each Skunk2 MegaPower Header features equ...

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Regular Price: $876.69
 On Sale For: $760.00 
Quantity:   
 
Skunk2 K-Series 70mm Throttle Body
Skunk2 K-Series 70mm Throttle Body
Skunk2 is proud to announce the release of their all new Pro-Series Throttle Body for Honda K-Series Cable-Throttle engines.
 
Designed to be used with an OEM or Skunk2 Intake Manifold, the Skunk2 Pro-Series Throttle Body will help increase h...

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Regular Price: $399.99
 On Sale For: $369.99 
Quantity:   
 
Skunk2 K-Series Intake Manifold
Skunk2 K-Series Intake Manifold
Skunk2’s Pro Series Intake Manifold for Honda’s K-series (K20/K24) has arrived!
 
Skunk2 engineers looked to the popular ’06+ Civic Si’s RBC intake manifold for inspiration and went back to the drawing board. Skunk2’s Pro Series Intake Manifold for Honda’s K-series features a larger plenum and shorter, oversized runners when compared to the RBC, and is cast with thicker wall material, leaving room for further porting f...

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Regular Price: $549.99
 On Sale For: $499.99 
Quantity:   
 
CT-Engineering Air Intake Kit for 2006 - 2010 Honda Civic Si
CT-Engineering Air Intake Kit for 2006 - 2010 Honda Civic Si
This is CT-Engineering's Short Ram Intake and Intake Heat Shield for the 2006 - 2010 Honda Civic Si

  • High-Temp Powdercoated Heat Shield
  • High-Flow Re-Usable Foam Filter
  • Two-Piece CNC Machined and Black Anodized Billet Aluminum Intake Tube
  • Designed to lim...

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Regular Price: $269.00
 On Sale For: $242.10 
Quantity:   
 
CT-Engineering Ice Box for 1999 - 2000 Civic Si
CT-Engineering Ice Box for 1999 - 2000 Civic Si


  • Picks up air behind bumper / fog-light
  • Makes 8 hp and 7 lb/ft. over stock air intake on a car with CT-Engineering's headers and exhaust
  • Designed to not ingest water
  • Must be used with the CT-Engineering I...

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Regular Price: $169.00
 On Sale For: $159.99 
Quantity:   
 
Comptech Civic Si Air Intake Kit (99-00)
Comptech Civic Si Air Intake Kit (99-00)
Intake - polished aluminum
For Years: 99-00 Civic Si
CARB legal
...

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Regular Price: $349.00
 On Sale For: $189.00 
Quantity:   
 
K&N Air Filter for 06+ Civic SI
K&N Air Filter for 06+ Civic SI

More air entering the engine can increase combustion efficiency, resulting in more horsepower and acceleration.  K&N designs their filters to reduce air restriction allowing your engine to breathe more air.  They are also reusable ...

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Price: $43.50 
Quantity:   
 
Exhaust Heat Wrap
Exhaust Heat Wrap

Wrapping your exhaust with Heat Wrap adds an additional layer of insulation that prevents hear from escaping.  This helps to keep under-hood temperatures down, and exhaust velocity up.

 


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Price: $39.99 
Quantity:   
 
Turbosmart Murray Constant Tension Hose Clamps
Turbosmart Murray Constant Tension Hose Clamps
MURRAY Constant Tension CLAMPS

A constant tension stainless steel worm gear clamp designed to compensate for the effects of thermal cycling and/or compression set of hose. The Murray Clamps' spring action outer-band solves this problem and features a unique innerband profile to provide superior sealing pressure via its two raised ribs and the chamfered edges eliminate damage to the hose when tightened.

Please Note:

T...

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Price: $12.95 
Quantity:    
 
Turbosmart Vacuum Hose (10 feet)
Turbosmart Vacuum Hose (10 feet)

Why use Silicone Hoses?

Silicone hoses are stronger, tougher and more flexible than ordinary rubber hoses.
Turbosmart Silicone Hoses are manufactured from a high-grade silicone and offer superior temperature resistance which makes them ideal for cooling/heating and charged-air applications. They will last longer, perform better and will not deform under extreme conditions. An inexpensive and practical performance modification for ...

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Price: $15.95 
Quantity:    
 
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