2011 Honda Civic Si Performance Parts

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    • (0 reviews)
      # 1119814168
      Honda Civic Si 2011, N1™ Stainless Steel Cat-Back Exhaust System with Single Rear Exit by Invidia®. Exhaust Type: Cat-Back. Exhaust Tubing Material: Stainless Steel. Exhaust System Sound: Moderate. For a good balance of price and...
      $501.90 - $617.40
    • (2 reviews)
      # 324643465
      Honda Civic Si 2011, 1-Click Street Warrior Z26 Drilled and Slotted Brake Kit by Power Stop®. Specially designed for high performance street drivers who demand shorter stops under the most extreme conditions, this brake kit is a perfect...
      $154.95 - $563.92
    • (0 reviews)
      # mpn674206375
      Honda Civic Si USA Built 8th Generation 2011, Front Performance Air Suspension Lowering Kit With 4.5" Front Body Drop by Air Lift®. Quantity: Sold as a Kit. These are complete air suspension kits that allow over 4 inches of drop in ride...
      114mm/4.5" DropDouble Bellows Progressive Rate Springs
      $925.00
    • (4 reviews)
      # 377202315
      Honda Civic Si Coupe / Sedan 2011, SP Series Short Ram Air Intake System by Injen®. The Short Ram SP Series is a traditional, underhood air intake system that takes the place of your factory airbox and air filter, and the factory air...
      Improves airflow into the engineUses the patented MR Technology tuning process to ensure the air/fuel ratio is within optimum limits
      $246.22
    • (0 reviews)
      # 315971719
      Honda Civic Si Coupe / Sedan 2011, SMART Accel Controller by APEXi®. APEXi Original Accelerator Controller with 7-modes (3 ECO Modes, 2 Boost Modes, Lo-Throttle Mode, and Hi-Throttle Mode).
      Manufactured from premium materialsDesigned to strict quality standards
      $175.75
    • (0 reviews)
      # mpn4498420517
      Honda Civic Si K20Z3 Engine 2011, Crankshaft by Brian Crower®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and reliability. Designed...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $2,017.88
    • (0 reviews)
      # mpn195390509
      Honda Civic Si 2011, Performance Aluminum Radiator by Mishimoto®. The Mishimoto performance aluminum radiator is designed and engineered to maximize cooling efficiency, boost engine functions, and most importantly protect your car from...
      Full Aluminum Construction including durable, TIG-welded end tanksIncreased fluid capacity and optimal heat dissipation
      $240.00
    • (0 reviews)
      # mpn487479812
      Honda Civic Si 2011, Stage 1 Clutch Kit by SPEC®. Does not Include: Flywheel. Clutch Torque Rating: 230 ft/lbs. Features an integrally molded carbon kevlar-based, high performance organic lining that offers smooth engagement and...
      High clamp pressure plateSteel-backed and multi-compound woven organic material
      $404.10
    • (0 reviews)
      # mpn4530951700
      Honda Civic Si 2011, E85-Compatible High Flow In-Tank Electric Fuel Pump by AEM®. The AEM High Flow, High Pressure Fuel Pump for high performance naturally aspirated and forced induction EFI vehicles. The High Flow, High Pressure Fuel...
      Designed for high output naturally aspirated and forced induction EFI vehiclesPopular “044 Style” physical configuration but with AN inlet and discharge port connections
      $114.99
    • (0 reviews)
      # mpn2046361489
      Honda Civic Si 2011, Copper Spark Plug by Autolite®. With Resistor. OE Style. These spark plugs by Autolite are specially designed and manufactured to ensure quick starts, dependable performance, and smooth acceleration. The products...
      Copper-glass seal bonds insulator, terminal post center electrode together; assures full required voltage at spark gap; gas-tight seal (100% leak proof)Multi-rib insulator reduces danger of "flash-over"
      $1.64
    • (1 review)
      # 1090211116
      Gear Box by Helix®. If you are looking to upgrade the steering system of your vehicle to make the most out of your vehicle’s performance, go with this high-grade steering part that is engineered to be second to none when it comes to...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $227.99 - $731.45
    • (0 reviews)
      # 819294493
      Honda Civic Si 2011, Battery Holder by Boomba Racing®.
      CNC machined from high quality billet aluminumAdds visual styling to your engine bay
      +1
      $30.00
    • (0 reviews)
      # 93513805
      Honda Civic Si with FA5 Chassis / with FG2 Chassis 2011, Level 2.9™ Axle Shaft by Driveshaft Shop®. In company ongoing quest for the perfect axle we have hit the mark with our new Level 2.9™ axle. These axles have been designed with...
      Designed for unprecedented off-road performance under harsh, unforgiving conditionsPerfect solution for building a solid axle assembly that will handle extreme loads
      $451.49
    • (0 reviews)
      # mpn358497042
      Universal Micro Sprint Torrington Thrust Bearing by JOES Racing®. Keep your Micro turning smoothly with a Torrington Thrust Bearing from JOES. Place it between your spindle and axle, on the bottom side, to take the load and keep your...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $9.99
    • (0 reviews)
      # 450479564
      Universal PowerPack™ Turbocharger System by Banks®. The Banks Power Dual Exhaust PowerPack System is the complete towing package your pickup truck, with extended cab short bed configuration, deserves.
      Stunning Top GainsImproved Mileage
      $2,198.00 - $2,798.00
    • (0 reviews)
      # 564750739
      Honda Civic Si 2011, Twisted Steel™ 304 SS Long Tube Tri-Y Exhaust Headers by aFe®. Primary Tubing Diameter: 1.625". Collector Outlet Diameter: 2.5". Header Style: Long Tube. The new Twisted Steel performance header from aFe Power is...
      $703.00 - $798.00
    • (0 reviews)
      # 324643461
      Honda Civic Si Coupe / Sedan 2011, 1-Click Z23 Evolution Sport Drilled and Slotted Brake Kit with Calipers by Power Stop®. Get superior benefits of ceramic pads and cross-drilled rotors in the Power Stop 1-Click Brake kit. These...
      $261.27 - $544.56
    • (0 reviews)
      # 916487789
      Honda Civic Si USA Built 8th Generation 2011, Rear Performance Air Suspension Lowering Kit With 5.8" Rear Body Drop by Air Lift®. Quantity: Sold as a Kit. These are complete air suspension kits that allow over 4 inches of drop in ride...
      Air bag spring supports are available for factory coil springs and leaf spring designsAir compressors are available in standard strength for intermittent weekend use or heavy-duty strength for regular daily use
      $450.00 - $900.00
    • (0 reviews)
      # 377202342
      Honda Civic Si 2011, Secret Weapon Aluminum Polished Short Ram Air Intake System and Cold Air Extension by Weapon-R®. The Secret Weapon Air Intake System uses patented technology to feed the engine 3 times as much air as other systems....
      Patented technology increases airflow 3 times more than conventional systemsEach system is tuned to maximize engine performance output
      $262.65
    • (0 reviews)
      # mpn4516850628
      Honda Civic Si 2011, Hand Held iQ™ Flash Monitor by Banks®. Take complete control of all added power and safety functions when you connect the Banks iQ Flash to any Banks diesel tuner, AutoMind Flash Programming Module, SpeedBrake, or...
      Provides Dynamic Link Between Driver and VehicleRock-Solid Windows® CE Foundation
      $449.10
    • (0 reviews)
      # mpn4498420698
      Honda Civic Si K20Z3 Engine 2011, Lightweight Crankshaft by Brian Crower®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $2,017.88
    • (0 reviews)
      # mpn2265044
      Honda Civic Si 2011, Performance Electric Fan with Aluminum Shroud Kit by Mishimoto®. Size: 17.13" x 26.38" x 3.5". Includes: Aluminum Shroud, Two 12" Slim Electric Fans. Overall Size: 17.13" H x 26.38" L x 3.5" W. CFM: 2300. Mishimoto...
      Maximizes airflowFits with both stock and Mishimoto radiators
      $185.50
    • (0 reviews)
      # 257296219
      Honda Civic Si 2011, 725 Series Steel Flywheel by Clutch Masters®. Clutch Masters Flywheels are designed and tested to ensure the safety and quality of every flywheel. Years of R&D has given us the knowledge and firsthand experience to...
      Light-weight for improved performance and Quicker Rev’sSteel Flywheels Consist of a replaceable heat shield (friction surface), eliminating need to resurface flywheel
      $292.50 - $540.00
    • (0 reviews)
      # 487864976
      Honda Civic Si 2011, Fuel Injector Set by DeatschWerks®. Every set of fuel injectors is flow-matched and balanced for reliable and efficient performance. To ensure you get nothing less than the highest level of quality and durability,...
      Improves fuel flow and performanceMulti-point dynamic set matching
      $339.00 - $839.00
    • (0 reviews)
      # 987603543
      Smoothie™ Wire Loom Kit by Made 4 You®.
      $21.49 - $43.34
    • (0 reviews)
      # mpn3990109742
      Vega Manual Steering Gear Box Kit by Helix®. This box offers new bearings and gears for smooth, comfortable steering. Provides a smooth, natural steering wheel return. If you are looking to upgrade the steering system of your vehicle to...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $514.84
    • (0 reviews)
      # 985154426
      Universal Advanced Lightweight 12V AGM Battery by Braille Battery®. Battery Type: AGM. Voltage: 12V. Batteries have always presented the same problems of weight, safety, and cost. In racing, aerospace, and advanced technology...
      Proudly Made in the USASealed absorbed glass mat (AGM) design that incorporates special glass fiber mats that contain the acid electrolyte between the lead plates, rather than a standard flooded (liquid) design
      $149.99 - $229.99
    • (0 reviews)
      # 93513802
      Honda Civic Si with FA5 Chassis / with FG2 Chassis 2011, Level 0™ Axle Shaft by Driveshaft Shop®. This is a new axle designed and made for basic swaps and is an alternative to cheap rebuilds. This is not a racing axle in any way,...
      Designed for unprecedented off-road performance under harsh, unforgiving conditionsPerfect solution for building a solid axle assembly that will handle extreme loads
      $167.99
    • (0 reviews)
      # mpn358580212
      Universal 110 Volt Male Recessed Power Outlet by QuickCar Racing®. This QuickCar Male Recessed Power Outlet is designed for a 110 Volt female cord end. When mounted on the race car it can be used to plug into oil tank heaters, engine...
      High quality at an affordable priceExpertly made from premium materials
      $22.95
    • (0 reviews)
      # mpn457857384
      Honda Civic Si 2011, Stainless Steel Exhaust Manifold by Invidia®. Emissions: Racing Only. Do you want to get more power out of your vehicle? Then this superior Invidia product is just for you. Carefully designed for maximum...
      $617.40




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    CARiD is the ultimate source for premium-quality performance parts. With our extensive collection of performance upgrades, adding onto your vehicle's performance or improving its look is safe and easy. Boost the interior of your 2011 Honda Civic Si with a set of racing seats, raise or lower your vehicle for an aggressive look, or add a set of high-performance brake rotors for superior braking. Unlock the hidden potential of your 2011 Honda Civic Si that has been waiting to be released!

    2011 Honda Civic Si Performance Parts Reviews

    Average rating:  5  5 - 1 review
    4.8 of 5
    Improve The Look And Sound
    This JBA exhaust tip totally improved the look and sound of my car. It was just what i need and the look as described. Recommend it to anyone.
    TPosted by Tormod M Etheridge (Olpe, KS) / November 21, 20162011 Ford F-150
    Was this review helpful for you? Yes
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