Shop by Car

HARDmotion K-Series EM1 CMC & HD Slave Kit V2.0 "2nd gear grind fix" The HARDmotion 06-11 / 12-15 Civic Si & Acura RSX EM1 CMC & Stainless steel clutch line kit. The kit starts with a OEM EM1 Nissin CMC, the reason for this unit is two...

Hondata Flashpro MINI ECU Tuning Device V4.0 (bluetooth enabled) USB-C 2023 Model Introducing the Newest 2023 Edition Hondata Flashpro Mini, the ultimate tuning tool for your Honda or Acura. Hondata's Flashpro is the ecu and fuel tuning device of choice...

Exedy Stage 1 Clutch for K-Series Motors The Exedy Stage 1 Clutch kit part #08806 for k-series motors found in the RSX, 06-11 Civic Si, 12-15 Civic Si, TSX and accords. This organic based stage 1 clutch kit is a great replacement for those who are...

K-Tuned 9th Gen 2012-2015 Civic Si Short ram Intake  The K-Tuned 12-15 Honda Civic Si Short Ram Intake for 9th Gen Civics, aka the budget intake. This is a customizable intake in which you can get a 3inch or 3.5inch intake sizing, the 3.5 needs...

Hasport Rear Motor Mount 06-11 Civic Si The Hasport Rear Engine Mount for the 2006-2011 Honda Civic Si K20z3 Engine. This mount is one of the easier ways to reduce engine movement. Which transfers into wheel hop which robs traction. As well give the car...

Hybrid Racing Cold Air Intake 06-11 Civic Si The Hybrid Racing Cold Air Intake for the 8th Generation 2006-2011 Honda Civic Si featuring the k20z3 engine. This intake is one of the best on the market, with its oversized 3.5inch silicone intake piping,...

Truhart StreetPlus Coilover Adjustable Suspension The Truhart StreetPlus Coilover Suspension system is a budget based coilover thats perfect for the everyday driver. This coilover system features a full twin tube design ride height adjustable kit with...

Hybrid Racing Short Shifter Assembly V2.0 for the 06-11 Honda Civic (Si & Base Model) Hybrid Racing continues to strive for ultimate performance and reliability so they took the original 06-11 Civic shifter assembly and sent it back to the drawing...

Full-Race 2006-2011 Honda Civic Si 3inch 76mm Exhaust System Presenting the 06-11 Honda Civic Si Full-Race 3inch Race Exhaust. This exhaust is known for its 3.0inch high flow exhaust system which produces top power gains for the 8th generation Honda...

Invidia Q300 Exhaust for 06-11 Honda Civic Si (Sedan or Coupe) FA5 / FG2 The Invidia Q300 for the 2006-2011 Honda Civic Si, this is a twin loop stainless steel cat-back (full) exhaust system that has superb quality and fitment. This exhaust comes in...

JDM Mugen Window Rain Visors 06-11 Honda Civic 4-Door Sedan JDM Mugen Window Rain Visors for the 06-11 Honda Civic 4door Sedan. These visors provide an aerodynamic and functional protection from rain and wind while driving, they adhere via 3m tape to...

The HARDmotion K-Series Performance HD Slave Cylinder Improve shifts, faster shifts and reduce 2nd gear grind and lockout issues. This high performance "Heavy Duty" slave cylinder features no clutch delay valves and upgraded internals to provide the...

PLM Race Header 06-11 Honda Civic Si The PLM 06-11 Honda Civic Si 8th Gen Private Label Manufacturer 4-2-1 Race Header for the 2006-2011 Civic Si K-Series (k20z3) motor. This race header provides serious power, quality, fitment and comes with a great...

Exedy HF02 Lightweight Flywheel for K-Series The Exedy chromoly lightweight flywheel, one of the highest quality flywheels you can buy. This exedy racing one piece solid billet chrome moly steel is built for all out heavy duty and durable performance...

Skunk2  Alpha Header 06-11 Civic Si The Skunk2 Alpha Header for the 06-11 Honda Civic Si w/ k20z3 motor w/ free shipping. This highly affordable and powerful header which takes from the design from the race proven megapower header from skunk2...

2012-2015 Honda Civic Si Hasport Rear Motor Mount FG4RR V2.0 The 2012 Honda Civic Si Hasport Rear Engine mount for the FG4 / FB6 Chassis. This engine mount is a high quality rear engine mount which helps give a more direct feel and reduce wheel hop and...

K-Tuned CMC & Slave Combo w/ Stainless Steel line The 2002-2006 RSX, 2002-2005 EP3, 2006-2011 8th Gen Civic Si, 2012-2015 Civic Si, and 2004-2008 Acura TSX all have a known issue with their factory clutch master cylinders (CMC). If you look at the...

J35 Throttle Body Kit for the 06-11 Honda Civic Si / RBC Manifold J35 Enlarged Throttle body & Adapter kit, this oversized throttle body kit from HARDmotion allows your 06-11 Honda Civic Si to easily and affordably upgrade the oem throttle body to a...

Hasport Upper Torque Mount 06-11 & 12-15 Honda Civic Si | FGUPR The Hasport Upper Torque (pitch) Mount for the 2006-2011 Honda Civic Si & 2012-2015 Honda Civic Si. This kit is the compliment to the rear engine mount. This kit helps you reduce...

K-Tuner V2 Honda & Acura Ecu tuner w/ screen The KTuner v2 is identical to the v1.2 but also comes with a screen. Which can give you all the info and readouts without needing a laptop. Unlike the Ktuner v1.2 which needs a laptop to see on the fly...

The Synchrotech Carbon Synchro Rebuild kits 06-11 Honda Civic Si Unlike the OEM Brass or carbon/moly or carbon fiber weave synchros that have a spray coating or a woven carbon fiber fabric, Synchrotech Pro Series Carbon Synchros have a full carbon...

BC Racing Coilover Type BR The BC Racing BR Series Coilover Suspension Kit is a high quality suspension coilover available for many different makes & models. High quality powder coated springs w/ rubber noise reduction start off the suspension,...

JDM Mugen Window Rain Visors for the 12-15 Honda Civic 4door Sedan High Quality JDM Mugen Style Window Rain Visors for the 12-15 Honda Civic 4door Sedan. These visors provide an aerodynamic and functional protection from rain and wind while driving,...

Full-Race 2012-2015 Honda Civic Si Downpipe V2.0 The Full-Race 2012-2015 Honda Civic Si & Acura ILX 3.0inch Downpipe V2.0 / Header for naturally aspirated and supercharged applications. This high flowing header provides maximum gains by reducing...

Nokya 9005 type Yellow pro halogen bulb, part # nok7611 DRL / Highbeam Headlight bulb. $24.99 shipped, This is a great bulb to run thats high quality and produces a yellow light as well helps turn a headlight reflective yellow if you use this in the...

Skunk2 Megapower RR Exhaust 2012-2015 Honda Civic Introducing the skunk2 Megapower RR Exhaust for the 2012-2015 Honda Civic Si. This 3.0inch or 76mm exhaust is race inspired by the japanese n1 spec exhausts. Dyno tested and proven for maximum...

Hybrid Racing Shifter Cables 2012-2015 Honda Civic Si The Hybrid Racing cables are a performance upgrade replacement for stock OEM cables. which are prone to stretch and arent built with performance in mind. The hybrid racing units use solid rod ends,...

K-Tuned Rear Camber Arm 06-11 & 12-15 Civic The K-Tuned Rear Camber arm w/ rubber bushing, these high quality and affordable rear camber arms allow you to dial in your rear suspensions camber. This allows the car to either fit wheels that are wide...

Invidia N1 Titanium Tip Exhaust 2012-2015 Honda Civic Si The Invidia N1 Titanium Tip Exhaust System for the 2012-2013 and 2014-2015 Honda Civic Si Coupe and Sedan HS12HC4GTT / HS12HC2GTT. These exhaust systems from N1 exhibit the same...

PLM Downpipe 2012-2015 Honda Civic Si The PLM Private Label Manufacturer 2012-2015 Honda Civic Si header / downpipe for the 9th Gen Civic. This header is made from high quality cast 304 stainless steel and features a large 4.25 inch bellmouth inlet with...

Exedy OEM Replacement clutch kit for K-Series Hondas | KHC10 The Exedy OEM KHC10 clutch replacement is the most cost effective and high quality clutch you can get for your vehicle. Not only is the perfect for those with mild naturally aspirated...

Hybrid Racing Shifter Cables 06-11 Honda Civic Si The Hybrid Racing Shifter Cables offer the ultimate in durability and response. With the integrated shifter bushings, stainless steel push rods, swivel support tubes and inner cables. These cables are...

Acuity K-Series Transmission Performance Shifter Select Springs Honda officially calls these the "First-2nd Select Spring" and "Fifth-Sixth Select Spring." They are the parts in your transmission that are (partially) responsible for your shifter...

Acuity Shifter Cable Bushing Upgrade 2012-2015 Civic (9th Gen) Welcome to a new era of driving satisfaction with Acuity Shifter Cable Bushing Upgrade, meticulously designed for 2012-2015 Honda Civic Si & Non-Si models (9th Gen) and now available at...

Invidia Q300 Exhaust 12-15 Honda Civic Si The Invidia Q300 for the 2012-2015 9th generation Honda Civic Si. This twin loop stainless steel full cat-back exhaust system (downpipe back) has great quality, fitment and amazing sound at an affordable price...

Full-Race 2012-2015 Honda Civic Si 3inch Exhaust System Introducing the 12-13 & 14-15 9th Generation Civic Si & Acura ILX Full-Race 3inch full exhaust system (catback). This complete system is built for ultimate power and a sporty exhaust...

Invidia N1 Exhaust System 06-11 Honda Civic Si The Invidia N1 Titanium Tip Exhaust System for the 2006-2011 Honda Civic Si Coupe and Sedan in 70mm (2.75inch) and 76mm (3.0inch). These exhaust systems from Invidia exhibit the same characteristics that N1...

The skunk2 weighted shift knob for Honda / Acura applications that have a 6-speed gear selector, part #:627-99-0081. This weighted shift knob in gunmetal weighs in at 440grams, gives a positive and very solid shift feeling. Decorated in skunk2 and a...

Acuity Shifter Cable Bushing Upgrade for 06-11 Civic Si & Non-Si Acuity Shifter Cable Bushing Upgrade for the 2012-2015 Honda Civic Si & Non-Si 9th Gen. This upgrade takes the squishy and sloppy oem bushings and replaces it with a high quality...

The OEM Honda 06-11 & 12-15 Honda Civic Si "02 Sensor Extension", this allows you to quickly, easily and reliably extension your o2 sensor. Generally this can occur when installing an aftermarket header such as the skunk2 alpha. This is a more...

06-11 Honda Civic Si Ultimate Brake Kit The 2006-2011 Honda Civic Si Brake Package from HARDmotion. This is an a la carte exclusive package chosen by us with a few different setups we recommend for the 8th gen Civic Si. These were chosen based on...

The Hasport Complete Engine Mount Set for the 2006-2011 Honda Civic Si K20z3 Engine fa5 / fg2 chassis. This full mount system is one of the best ways to reduce engine movement. Which transfers into wheel hop, which robs traction. As well give the car a...

K-Tuned 06-11 Honda Civic Si Header 409 Steel Series 4-2-1 8th Gen Civic Race Header The K-Tuned 4-2-1 Race Header for the 06-11 Honda Civic Si 8th Gen Civic. This 409 Steel series header provides good power, good pricing and also offers a high-flow...

HARDmotion 12-15 Civic Si "Ultimate" Brake Kit The HARDmotion ultimate brake kit for the 2012-2015 Honda Civic Si, congrats you have found one of the easiest and best place to order your new brake setup. We have specifically tracked down the most...

SPC Rear Camber Arm for 06-11 Civic 12-15 Civic & Acura CSX & Acura ILX Introducing the SPC Rear Camber Arm designed for 2006-2011 Civic, 2012-2015 Civic, Acura CSX, and Acura ILX models. This top-quality camber kit, crafted by the renowned...

PLM Acura RSX / EP3 4-2-1 Race Header The PLM Acura RSX / Honda Civic EP3 & K-SWAP EM2 Header is a race header designed with great power and price. The stainless 4-2-1 design makes for good low mid and high end power. Offering gains in the range of...

K-Tuned 06-11 Civic Front Lower Control Arms Pair Restore Your Civic Si's Handling and Performance K-Tuned's front lower control arms are designed to address worn-out factory components and revitalize the handling of your 2006-2011 Civic Si. Improved...

Hybrid Racing 06-11 Honda Civic Si Shifter Cable Bushing The Hybrid Racing Shifter Cable Bushing 06-11 Honda Civic Si. This special bushing set from Hybrid racing is quite different from the regular full metal bushings that other companies provide...

Godspeed Mono-SS Coilover Suspension Kit The Godspeed Mono-SS Coilover suspension kit for most major vehicle applications is a new line from godspeed thats meant for the budget consumer. These coilovers feature a mono-tube design which provides good...

HARDmotion 06-11 12-15 Civic & ILX 13-18 Adjustable Rear Camber Arm The HARDmotion 8th, 9th and ILX Adjustable rear camber arm kit (complete kit both sides). This kit is made from enhanced cnc machined duraluminum.  Which provides a strong yet...

Progress Adjustable 24MM Rear Anti-Sway Bar 06-11 12-15 Honda Civic ILX – (62.1025 62.1026 ) The progress 24mm adjustable rear anti-sway bar for the 06-11 12-15 Honda Civic & ILX platform part #62.1025 . This rear sway bar is adjustable and...

The K-Tuned Shifter Cables for the 06-11 Honda Civic Si with oem spec build. These cables are an upgrade to the easily prone to stretching oem cables. The cables provide a more precise and solid shift that feels and performs in a more direct way. The oem...

K-Tuned Spherical Shifter Cable Bushing for K-Series The K-Tuned Shifter cable bushings for Honda K-Series Motors. These bushing feature a spherical bushing with a rubber covering. Also rubber o-rings to ensure a tight secure snug fit thats sealed. The...

Skunk2 06-11 Honda Civic Si MegaPower RR Exhaust  The skunk2 megapower RR 76mm / 3.0inch exhaust for the 06-11 Honda Civic Si (sedan fa5 or coupe fg2) provides the maximum power and diameter for the ultimate in exhaust flow for your 8th...

06-11 Honda Civic Si Energy Suspension Master Bushing set The Energy Suspension Master Bushing Set for the 06-11 Honda Civic Si, this complete bushing set is a bargain if your looking to get all these separately the price is much higher. These bushings...

Invidia Race Header 2006-2011 Honda Civic Si V2.0 The Invidia Race Header 06-11 Honda Civic Si, this header is a very high quality header made by the company Invidia. Invidia produces very high quality products at a very affordable price. This 4-2-1...

Buddy Club Seat Rails for Honda & Acura applications. The Buddy Club Super Low Down seat rails are a high quality low seat rail that fit all buddy club seats and any other side mount seat. This includes pretty much every major aftermarket seat maker...

The K-Tuned Slave Cylinder is a great upgrade for those wanting to increase their clutch system performance and reduce grinding gears. Also perfect to replace leaking or worn out OEM units (generally 60-80k its a good idea to get a new one anyhow). Many...

The Truhart lowering shocks for your Honda or Acura. The performance shocks provide excellent ride thats sporty while also comfortable for a very affordable price. These shocks are built to handle a lowered spring which will be shorter and have a...

HYBRID RACING MAXIM PERFORMANCE SHIFT KNOB Grabbing the gear lever in your car is a great feeling, except when your knob isn't comfortable. We wanted to develop a knob that was not only lightweight and great looking but also fit into the palm of your...

The DeatschWerks DW300c 340 LPH Fuel Pump for 06-11 & 12-15 Honda Civic Si models. This upgraded fuel pump provides 340LPH of fuel for those looking to put down serious power and be able to supply the fuel when needed. This fuel pump is still a...

Hybrid Racing Short Shifter 2002-2006 Acura RSX V3.0 This top of the line shifter from hybrid-racing made specifically for the 02-06 RSX, is built to do 3 simple tasks. 1. reduce throw 2. increase feel 3. provide adjustability to fit your style. Hybrid...

Acuity Instruments Adjustable Short Shifter 9th Gen 2012-2015 Honda Civic The Acuity Instruments Adjustable Short Shifter for the 9th Gen 2012-2015 Honda Civic (all models). The first adjustable shifter has finally hit the ground for the 9th gen civic's...

HARDmotion 06-11 Honda Civic Carbon Fiber Steering Wheel Trim Carbon Fiber Steering wheel trim for the 06-11 Honda Civic Base & Si models without navigation buttons. These high quality 100% real carbon fiber trims with weave and clear coat offer an...

Skunk2 Downpipe for 12-15 Civic Si // 412-05-1950 Skunk2 Alpha Downpipe for the 2012-2015 9th Generation Honda Civic Si. This one piece design downpipe features a 4inch bellmouth inlet exiting at a 3inch outlet, enabling maximum airflow for the k24...

Competition Clutch Lightweight Flywheel for K-Series Hondas The Competition Clutch Forged Lightweight Steel Flywheel for the K-Series Honda engines part # 2-800-ST. This 13lb flywheel is the perfect flywheel for those who want a lightweight flywheel but...

Acuity Instruments 8th Gen Civic Stage 1 Shift Kit 2006-2011 Honda Civic Si & Non-Si. This upgrade kits gives you an overhaul to everything but the shifter assembly itself. With everything listed here the point of it all is to tighten and improve...

K-Tuned K1 Street Coilover K-Tuned K1 Street Coilover Suspension leaves the usual crowd of budget coilovers and goes after the high-end crowd who are looking to get the most they can from their vehicle, while bringing a product built without sacrifice...

K-Tuned Roll Center Adjusters for the 06-11 Honda Civic | 2 piece The K-Tuned Roll Center Adjusters for the 2006-2011 Honda Civic Si & Non-Si 8th generation Civic Chassis. K-Tuned's Roll center adjusters help to maintain proper steering alignment,...

Hybrid Racing 2012-2015 Honda Civic Si Adjustable Short Shifter The 9th Gen Honda Civic Si 2012-2015 finally gets the hybrid-racing short shifter treatment, this highly anticipated shifter is the perfect combo for reducing slop, distance and more and...

K-Tuner / KTuner V1.2 Ecu Tuning System The K-Tuner ECU Tuning System for nearly all Honda / Acura vehicles. The great thing about this KTuner system is that it works for a multitude of cars, so if you sell your vehicle you can unlock and move onto...

DC Sports Short Ram SRI Intake 12-15 Honda Civic Si The DC Sports Short Ram Intake system for the 2012-2015 Honda Civic Si 9th Gen. This budget intake is perfect for those looking good power, easy install and low cost. This intake is also great because...

Hondata 4-Bar Map Sensor The hondata 4bar map sensor made for many different platforms. Allows you to read boost beyond 10psi. The 4bar sensor can read all the way to 43psi, making the perfect addition to a turbo or boosted setup that needs to be able...

FD2 JDM Civic Type-R Shift Knob FD2 JDM Honda Civic Type-R Shift Knob. Built for the race inspired limited edition Japanese Civic Type-R. The weight and feel of this shift knob is excellent. The machined silver knob with red lettering gives you that...

The Exedy OEM Clutch for 2012-2015 Honda Civic Si K24z7 2.4L  Finally the clutch for your oem 2012-2015 Honda Civic Si is now released, you can purchase this clutch and install it with the stock flywheel, which is a dual-mass flywheel. Otherwise...

The "HardMotion" Shifter Extension, now in silver, black and neo-chrome, $24.99 Shipped. These 3.5inch lever extensions extend the shift knob position for a rally car style, drift style, rat-rod-esque look. They are functional in that they do provide...

The Truhart lowering springs offers a sporty ride, good lowering stance while not being too stiff or too soft all at a very good price. You can expect great quality with these powder coated and treated springs from truhart, all backed with a LIFETIME...

Exedy Stage 2 Clutch for K-Series | 3 & 4 Puck Sport Edition The Exedy Stage 2 Clutch for K-Series motors w/ k20 or k24 engines, part # 08951, 08951P4. This upgraded clutch is capable of handling more power and torque than of course the stage 1...

The K-Tuned 8th Gen Honda Civic Si Crash Bar for the 2006-2011 Honda Civic Si. This Crash Bar or Oil Pan Protector is built to protect the cars oil pan from when you lower the car or hit uneven road that might catch the oil pan. We have seen many 8th gen...

The Deatschwerks EV14 1000cc Injector The Deatschwerks EV14 48mm is a universal Injector known for the K-Series motor for 8th 9th gen civic Si, RSX TSX and any K-Series platform this injector will work for. Great performing and very affordable injectors...