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Metra 40-HD23

Reverse Antenna Adapter for select 2016-2025 vehicles from Honda

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Reverse Antenna Adapter for select 2016-2025 vehicles from Honda

• Honda 2016-Up Reverse Antenna Adapter
• Adapter for installing aftermarket antenna
• select 2016-2025 vehicles from Honda Vehicles

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This product fits your 2025 Civic Si
Was $26.98 Details
$17.99

Available

Ships in 10-14 days

• Honda 2016-Up Reverse Antenna Adapter
• Adapter for installing aftermarket antenna
• select 2016-2025 vehicles from Honda Vehicles

Metra 107-HO1 Dash Kit

Install a New Custom Fit 6.8" Pioneer Modular Car Stereo in

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Install a New Custom Fit 6.8" Pioneer Modular Car Stereo in

• Stereo dash kit for Honda Civic 2022-Up
• Stereo installation kit designed to fit 6.8-inch Pioneer modular receivers
• Custom textured housing with gloss cover panel
• Includes brackets and hardware parts

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This product fits your 2025 Civic Si
$93.99

In stock

Only 1 Left!

• Stereo dash kit for Honda Civic 2022-Up
• Stereo installation kit designed to fit 6.8-inch Pioneer modular receivers
• Custom textured housing with gloss cover panel
• Includes brackets and hardware parts

Metra 40-HD20 Antenna Adapter

Connect your factory antenna to a new aftermarket radio for select 2005-2025 vehicles from Honda, Mazda, Toyota

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Connect your factory antenna to a new aftermarket radio for select 2005-2025 vehicles from Honda, Mazda, Toyota

• Factory Radio Cable to Aftermarket Antenna Adapter
• select 2005-2025 vehicles from Honda, Mazda, Toyota Vehicles

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This product fits your 2025 Civic Si
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Was $19.99 Details
$6.99

Available

Ships in 10-14 days

• Factory Radio Cable to Aftermarket Antenna Adapter
• select 2005-2025 vehicles from Honda, Mazda, Toyota Vehicles

Axxess AXSP-HN Wiring Interface

Amplifier Retention Interface for select 2016-2025 vehicles from Honda

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Amplifier Retention Interface for select 2016-2025 vehicles from Honda

• Provides 12-Volt accessory power (RAP)
• Plug and play installation
• Pre-Wired for ASWC-1 (Sold separately)

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$112.00

In stock

• Provides 12-Volt accessory power (RAP)
• Plug and play installation
• Pre-Wired for ASWC-1 (Sold separately)

Metra 71-1729

Honda 2008-Up OEM Harness

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Honda 2008-Up OEM Harness

• Plugs into OEM Radio and designed as a replacement to the Vehicle factory connectors when cut off
• Power and 4-Speaker connections
• Includes 20 Pin plug with factory tight connections

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$16.99

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• Plugs into OEM Radio and designed as a replacement to the Vehicle factory connectors when cut off
• Power and 4-Speaker connections
• Includes 20 Pin plug with factory tight connections

Metra 71-1731

Factory Replacement Wiring Harness with OEM Radio Plug for select 2016-2025 vehicles from Honda

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Factory Replacement Wiring Harness with OEM Radio Plug for select 2016-2025 vehicles from Honda

• Mates OEM stereo with car wiring harness
• Secure connection to existing connectors avoids splicing
• Pin-to-pin compatibility
• Color-coded wires
• Plugs into factory radio
• Fully terminated

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Was $45.00 Details
$24.99

In stock

Only 3 Left!

• Mates OEM stereo with car wiring harness
• Secure connection to existing connectors avoids splicing
• Pin-to-pin compatibility
• Color-coded wires
• Plugs into factory radio
• Fully terminated

Kicker CSC65 (46CSC654)

600W Peak (200W RMS) 6.5” CS Series 2-way 4-ohm Coaxial Car Speakers (CSC654)

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600W Peak (200W RMS) 6.5” CS Series 2-way 4-ohm Coaxial Car Speakers (CSC654)

• 300 watts Peak Each, 100 watts RMS Each
• 1/2" PEI (Polyetherimide) Balanced Dome zero-protrusion tweeters with neodymium magnets
• Polypropylene cone material with Extended Voice Coil (EVC) technology
• Impedance: 4 ohms
• Sensitivity: 90 dB

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Fits multiple locations in your 2025 Civic Si
  • Front Door
  • Lower Front Door
  • Lower Rear Door
  • Rear Door
89
Was $99.99 Details
$89.99 /pair

In stock

Rockford Fosgate Prime R165X3

180W Peak (90W RMS) 6.5" Prime Series 3 Way 4-ohm Coaxial Car Speakers

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180W Peak (90W RMS) 6.5" Prime Series 3 Way 4-ohm Coaxial Car Speakers

• 90 watts Peak Each, 45 watts RMS Each
• 1/2" Piezo pole-mounted Silk Dome tweeters
• Polypropylene cone material
• Impedance: 4 ohms
• Sensitivity: 91 dB

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Fits multiple locations in your 2025 Civic Si
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  • Lower Front Door
  • Lower Rear Door
  • Rear Door
141
Was $99.99 Details
$69.99 /pair

In stock

JBL GX608C (GX608CAM)

420W Peak (140W RMS) 6.5” GX Series 2-way 2.3-ohm Component Speaker System

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420W Peak (140W RMS) 6.5” GX Series 2-way 2.3-ohm Component Speaker System

• 210 watts Peak Each, 70 watts RMS Each
• 1-13/16" Edge Driven Dome tweeters
• Polypropylene cone material
• Impedance: 2.3 ohms
• Sensitivity: 92 dB

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Fits multiple locations in your 2025 Civic Si
  • Front Door
  • Lower Front Door
  • Lower Rear Door
  • Rear Door
3
Was $119.99 Details
$78.00 /set

In stock.

• 210 watts Peak Each, 70 watts RMS Each
• 1-13/16" Edge Driven Dome tweeters
• Polypropylene cone material
• Impedance: 2.3 ohms
• Sensitivity: 92 dB

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NVX ESP65

360W Peak (120W RMS) 6.5" E-Series 2-Way Coaxial Speakers with 13mm PEI Dome Tweeters

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360W Peak (120W RMS) 6.5" E-Series 2-Way Coaxial Speakers with 13mm PEI Dome Tweeters

• 180 watts Peak Each, 60 watts RMS Each
• 1/2" PEI (Polyetherimide) Dome Tweeters
• Polypropylene cone material
• Impedance: 4 ohms
• Sensitivity: 91 dB

Save 10% at Checkout!
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found car based on your search
Fits multiple locations in your 2025 Civic Si
  • Front Door
  • Lower Front Door
  • Lower Rear Door
  • Rear Door
4
Was $59.99 Details
$39.99 /pair

In stock

Cerwin-Vega V465

800W Peak (150W RMS) 6.5" Vega Series 2-way Coaxial Car Speakers

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800W Peak (150W RMS) 6.5" Vega Series 2-way Coaxial Car Speakers

• 400 watts Peak Each, 75 watts RMS Each
• 1" Titanium Dome tweeters
• Curvilinear Mica Fiber Composite cone material
• Impedance: 4 ohms
• Sensitivity: 94 dB

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found car based on your search
Fits multiple locations in your 2025 Civic Si
  • Front Door
  • Lower Front Door
  • Lower Rear Door
  • Rear Door
25
Was $129.99 Details
$109.99 /pair

In stock

Alpine S2-S80C

520W Peak (170W RMS) 8" S-Series 2-way 4-ohm Component Car Speakers

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520W Peak (170W RMS) 8" S-Series 2-way 4-ohm Component Car Speakers

• 260 watts Peak Each, 85 watts RMS Each
• 1" Silk Dome tweeters
• Polypropylene, Glass Fiber and Mica cone material
• Impedance: 4 ohms
• Sensitivity: 80 dB

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Was $230.00 Details
$199.95 /set

In stock

• 260 watts Peak Each, 85 watts RMS Each
• 1" Silk Dome tweeters
• Polypropylene, Glass Fiber and Mica cone material
• Impedance: 4 ohms
• Sensitivity: 80 dB

Deaf Bonce AP-M61AC

720W Peak (360W RMS) 6.5” Apocalypse Series 4-ohm Midrange Car Speakers

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720W Peak (360W RMS) 6.5” Apocalypse Series 4-ohm Midrange Car Speakers

• 360 watts Peak Each, 180 watts RMS Each
• Pressed Paper cone material
• Impedance: 4 ohms
• Sensitivity: 101.60 dB

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found car based on your search
Fits multiple locations in your 2025 Civic Si
  • Front Door
  • Lower Front Door
  • Lower Rear Door
  • Rear Door
4
Was $159.90 Details
$139.90 /pair

In stock

Cerwin-Vega PH654

600W Peak (300W RMS) 6.5" PRO Series Full-Range Coaxial Car Speakers with Horn Tweeters

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600W Peak (300W RMS) 6.5" PRO Series Full-Range Coaxial Car Speakers with Horn Tweeters

• 300 watts Peak Each, 150 watts RMS Each
• Horn tweeters
• Impedance: 3.2 ohms
• Sensitivity: 101 dB

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Fits multiple locations in your 2025 Civic Si
  • Front Door
  • Lower Front Door
  • Lower Rear Door
  • Rear Door
2
Was $209.99 Details
$149.99 /pair

In stock

DS18 TWPZ

80W Peak (40W RMS) 1" Slim Dome Super Tweeters

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80W Peak (40W RMS) 1" Slim Dome Super Tweeters

• 1" Dome Tweeters
• 80 watts Peak Each
• 40 watts RMS Each
• Impedance

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$4.95 /pair

In stock

• 1" Dome Tweeters
• 80 watts Peak Each
• 40 watts RMS Each
• Impedance

JL Audio C1-650x

150W Peak (100W RMS) 6.5" Evolution C1 Series 2-way 4-ohm Coaxial Car Speakers

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150W Peak (100W RMS) 6.5" Evolution C1 Series 2-way 4-ohm Coaxial Car Speakers

• 75 watts Peak Each, 50 watts RMS Each
• 3/4" Silk-suspended Aluminum Dome ferrofluid-cooled tweeters with neodymium magnets
• Mineral-Filled Polypropylene cone material
• Impedance: 4 ohms
• Sensitivity: 93 dB

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found car based on your search
Fits multiple locations in your 2025 Civic Si
  • Front Door
  • Lower Front Door
  • Lower Rear Door
  • Rear Door
27
$119.99 /pair

In stock

• 75 watts Peak Each, 50 watts RMS Each
• 3/4" Silk-suspended Aluminum Dome ferrofluid-cooled tweeters with neodymium magnets
• Mineral-Filled Polypropylene cone material
• Impedance: 4 ohms
• Sensitivity: 93 dB

Limited time!

Infinity REF307F (INFSPKRF307FUS)

150W Peak (50W RMS) 3.5" Reference Series 2-way 3-ohm Car Speakers

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150W Peak (50W RMS) 3.5" Reference Series 2-way 3-ohm Car Speakers

• 75 watts Peak Each, 25 watts RMS Each
• 1/2" Textile Balanced Dome Tweeters
• Polypropylene cone material
• Impedance: 3 ohms
• Sensitivity: 91 dB

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1
Was $129.95 Details
Save $55.00
$74.95 /pair

In stock

• 75 watts Peak Each, 25 watts RMS Each
• 1/2" Textile Balanced Dome Tweeters
• Polypropylene cone material
• Impedance: 3 ohms
• Sensitivity: 91 dB

DS18 PRO-ZT6 (Sold Individually)

450W Peak (225W RMS) 6.5” PRO-ZT Series 4-ohm Water-Resistant Midrange Loudspeaker

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450W Peak (225W RMS) 6.5” PRO-ZT Series 4-ohm Water-Resistant Midrange Loudspeaker

• 450 watts Max, 225 watts RMS
• 1" Aluminum Alloy Bullet tweeter
• Water-Resistant Paper cone material
• Impedance: 4 ohms
• Sensitivity: 96 dB

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Fits multiple locations in your 2025 Civic Si
  • Front Door
  • Lower Front Door
  • Lower Rear Door
  • Rear Door
6
$79.95

In stock

JBL Club 64 (JBLSPKCB64)

360W Peak (120W RMS) 6.5" Club Series 2-way 3-ohms Coaxial Car Speakers

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360W Peak (120W RMS) 6.5" Club Series 2-way 3-ohms Coaxial Car Speakers

• 180 watts Peak Each, 60 watts RMS Each
• Silk Edge-driven Dome tweeters with adjustable output
• UV-resistant Polypropylene cone material with Plus One woofer cone architecture
• Impedance: 3 ohms
• Sensitivity: 93 dB

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empty

found car based on your search
Fits multiple locations in your 2025 Civic Si
  • Front Door
  • Lower Front Door
  • Lower Rear Door
  • Rear Door
1
Was $139.95 Details
$109.95 /pair

In stock

AudioControl PNW1

250W Peak (200W RMS) 1" PNW Series Silk Dome Car Tweeters

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250W Peak (200W RMS) 1" PNW Series Silk Dome Car Tweeters

• 1" PNW Series Dome Tweeters
• 125 watts Peak Each
• 100 watts RMS Each
• 3 ohms Impedance

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$119.00 /pair

In stock

• 1" PNW Series Dome Tweeters
• 125 watts Peak Each
• 100 watts RMS Each
• 3 ohms Impedance

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    We love people and we're ready to help you! See what separates us from our competition.

    Take advantage of our VIP rewards like 10% back on your purchases, free 2-day shipping, extended warranties, and free returns! Gain access to all of these rewards without any membership fees.
    Get great discounted (and possibly FREE) installation accessories with most car stereo purchases. This includes dash kits, wiring harnesses and antenna adapters that you will need to properly install your new car stereo.
    We are an Authorized Dealer for all the brands we sell, including the most premium brands in car and marine audio such as Hertz, JL Audio, NVX, Rockford Fosgate, Kicker, Alpine, Kenwood and many more.
    Shop Deals and get up to 30% off premium brands! Shop Now! We are always looking out for the best products and deals to offer our customers. Don’t pay too much by shopping elsewhere!
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    FAQ for your 2025 Civic Si

    Q: Can I upgrade the factory stereo system in my 2025 Honda Civic Si?

    A: Yes you can improve your sound in your Civic Si by upgrading your speakers and/or adding an amplifier. You may also be able to update the stereo and main display in your 2025 Civic Si if there is a dash kit and harness solution available.

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    2025 Honda Civic Si

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    • Vehicle produced after 2005: Inside driver’s side door
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