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Product availability may vary, and some items may be on backorder from the manufacturer. You can contact us via the Contact Page or email us at info@holyhorsepower.co.
Product availability may vary, and some items may be on backorder from the manufacturer. You can contact us via the Contact Page or email us at info@holyhorsepower.co.

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  • 2015-2018 Subaru WRX, WRX STI Sedan STILLEN Rear Trunk Spoiler - KB23003
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    2015-2018 Subaru WRX, WRX STI Sedan Rear Trunk Spoiler - KB23003

    STILLEN
    $190.25
    $190.25 - $190.25
    $190.25
    $181.04
    $181.04 - $181.04
    $181.04
    In stock

    2015-2018 Subaru WRX, WRX STI Sedan Rear Trunk Spoiler - KB23003 Rear Deck Spoiler - Attaches Without Drilling Polyurethane Construction - Ready f...

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    $190.25
    $190.25 - $190.25
    $190.25
    $181.04
    $181.04 - $181.04
    $181.04
    Save 5% Save %
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    2015-2018 Subaru WRX, WRX STI Sedan Roof Wing Spoiler - KB23004

    STILLEN
    $172.91
    $172.91 - $172.91
    $172.91
    $164.63
    $164.63 - $164.63
    $164.63
    In stock

    Product Features Roof Wing - Attaches at Top of Rear Window Polyurethane Construction - Ready for Prep and Paint Developed and Manufactured ...

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    $172.91
    $172.91 - $172.91
    $172.91
    $164.63
    $164.63 - $164.63
    $164.63
    Save 5% Save %
  • 2016-2021 Honda Civic TruControl by STILLEN Inline Power Module - TC103001
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    2016-2021 Honda Civic TruControl by STILLEN Inline Power Module - TC103001

    STILLEN
    $759.00
    $759.00 - $759.00
    $759.00
    $649.00
    $649.00 - $649.00
    $649.00
    In stock

    2016-2021 Honda Civic TruControl by STILLEN Inline Power Module - TC103001   Now with 14 Day Satisfaction Guarantee - Test it in your own vehicle c...

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    $759.00
    $759.00 - $759.00
    $759.00
    $649.00
    $649.00 - $649.00
    $649.00
    Save 14% Save %
  • 2016-2021 Nissan Titan Cat back Exhaust - [5.6L] (NON-XD) 2WD/4WD - Polished Tip - 509560
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    2016-2023 Nissan Titan Cat back Exhaust - [5.6L] (NON-XD) 2WD/4WD - Polished Tip - 509560

    STILLEN
    $967.73
    $967.73 - $967.73
    $967.73
    $891.17
    $891.17 - $891.17
    $891.17
    In stock

    Product Features Does NOT Fit: Titan XD Models Horsepower Gain: +43 WHP @ 4,100 RPM* Torque Gain: +61 TQ @ 3,800 RPM* Polished Dual Wall Engraved...

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    $967.73
    $967.73 - $967.73
    $967.73
    $891.17
    $891.17 - $891.17
    $891.17
    Save 8% Save %
  • 2016-2021 Nissan Titan Cat-Back Exhaust - [5.6L] (NON-XD) 2WD/4WD - Black Tip - 509561
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    2016-2023 Nissan Titan Cat-Back Exhaust - [5.6L] (NON-XD) 2WD/4WD - Black Tip - 509561

    STILLEN
    $967.73
    $967.73 - $967.73
    $967.73
    $891.17
    $891.17 - $891.17
    $891.17
    In stock

    Product Features Does NOT Fit: Titan XD Models Horsepower Gain:+43 WHP @ 4,100 RPM* Torque Gain:+61 TQ @ 3,800 RPM* Black Dual Wall Engraved Tip A...

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    $967.73
    $967.73 - $967.73
    $967.73
    $891.17
    $891.17 - $891.17
    $891.17
    Save 8% Save %
  • 2017-2020 Ford F150 3.5l Twin-Turbo V6 TruControl by STILLEN Inline Power Module - TC202003
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    2017-2020 Ford F150 3.5l Twin-Turbo V6 TruControl by STILLEN Inline Power Module - TC202003

    STILLEN
    $759.00
    $759.00 - $759.00
    $759.00
    $649.00
    $649.00 - $649.00
    $649.00
    In stock

    2017-2020 Ford F150 3.5l Twin-Turbo V6 TruControl by STILLEN Inline Power Module - TC202003   Now with 14 Day Satisfaction Guarantee - Test it in y...

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    $759.00
    $759.00 - $759.00
    $759.00
    $649.00
    $649.00 - $649.00
    $649.00
    Save 14% Save %
  • 2017-2021 Infiniti Q60 3.0t Cat Back Exhaust [Polished Tips] - 504453
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    2017-2021 Infiniti Q60 3.0t Cat Back Exhaust [Polished Tips] - 504453

    STILLEN
    $1,659.27
    $1,659.27 - $1,659.27
    $1,659.27
    $1,528.00
    $1,528.00 - $1,528.00
    $1,528.00
    In stock

    Product Features 304 Stainless Steel Construction Polished Tips Greatest Incremental Horsepower gain: 26.3 HP @ 4,680 RPM* Greatest Incremental T...

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    $1,659.27
    $1,659.27 - $1,659.27
    $1,659.27
    $1,528.00
    $1,528.00 - $1,528.00
    $1,528.00
    Save 8% Save %
  • 2017-2021 Infiniti Q60 3.0t Cat-Back Exhaust System [Burnt Tips] - 504455
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    2017-2021 Infiniti Q60 3.0t Cat-Back Exhaust System [Burnt Tips] - 504455

    STILLEN
    $1,720.73
    $1,720.73 - $1,720.73
    $1,720.73
    $1,584.59
    $1,584.59 - $1,584.59
    $1,584.59
    In stock

    Product Features 304 Stainless Steel Construction Burnt Tips Greatest Incremental Horsepower gain: 26.3 HP @ 4,680 RPM* Greatest Incremental Torq...

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    $1,720.73
    $1,720.73 - $1,720.73
    $1,720.73
    $1,584.59
    $1,584.59 - $1,584.59
    $1,584.59
    Save 8% Save %
  • 2017-2021 Infiniti Q60 3.0t Cat-Back Exhaust System [Carbon Tips] - 504454
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    2017-2021 Infiniti Q60 3.0t Cat-Back Exhaust System [Carbon Tips] - 504454

    STILLEN
    $1,843.64
    $1,843.64 - $1,843.64
    $1,843.64
    $1,697.78
    $1,697.78 - $1,697.78
    $1,697.78
    In stock

    Product Features 304 Stainless Steel Construction Carbon Fiber Tips Greatest Incremental Horsepower gain: 26.3 HP @ 4,680 RPM* Greatest Increment...

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    $1,843.64
    $1,843.64 - $1,843.64
    $1,843.64
    $1,697.78
    $1,697.78 - $1,697.78
    $1,697.78
    Save 8% Save %
  • 2017-2021 Infiniti Q60 3.0t Front Splitter - KB11230
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    2017-2022 Infiniti Q60 3.0t Front Splitter - KB11230

    STILLEN
    $368.67
    $368.67 - $368.67
    $368.67
    $350.82
    $350.82 - $350.82
    $350.82
    In stock

    Product Features Part Comes Pre-Installed with 3M Automotive Tape (Same as OEM uses) No Cutting or Modification to Bumper - Removable Painted...

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    $368.67
    $368.67 - $368.67
    $368.67
    $350.82
    $350.82 - $350.82
    $350.82
    Save 5% Save %
  • 2017-2021 Infiniti Q60 3.0t Front Winglets - KB11231
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    2017-2022 Infiniti Q60 3.0t Front Winglets - KB11231

    STILLEN
    $178.22
    $178.22 - $178.22
    $178.22
    $169.59
    $169.59 - $169.59
    $169.59
    In stock

    Product Features Only Compatible with STILLEN FRONT SPLITTER - KB11230 Part Comes Pre-Installed with 3M Automotive Tape (Same as OEM uses) No Cu...

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    $178.22
    $178.22 - $178.22
    $178.22
    $169.59
    $169.59 - $169.59
    $169.59
    Save 5% Save %
  • 2017-2021 Infiniti Q60 3.0t Rear Diffuser [Matte Black] - KB11235MB
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    2017-2022 Infiniti Q60 3.0t Rear Diffuser [Matte Black] - KB11235MB

    STILLEN
    $380.52
    $380.52 - $380.52
    $380.52
    $362.11
    $362.11 - $362.11
    $362.11
    In stock

    Product Features Part Comes Pre-Installed with 3M Automotive Tape (Same as OEM uses) No Cutting or Modification to Bumper - Removable Painted Matt...

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    $380.52
    $380.52 - $380.52
    $380.52
    $362.11
    $362.11 - $362.11
    $362.11
    Save 5% Save %
  • 2017-2021 Infiniti Q60 3.0t Rear Diffuser [Unpainted] - KB11235
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    2017-2022 Infiniti Q60 3.0t Rear Diffuser [Unpainted] - KB11235

    STILLEN
    $313.21
    $313.21 - $313.21
    $313.21
    $298.05
    $298.05 - $298.05
    $298.05
    In stock

    Product Features Part Comes Pre-Installed with 3M Automotive Tape (Same as OEM uses) No Cutting or Modification to Bumper - Removable Unpainted -...

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    $313.21
    $313.21 - $313.21
    $313.21
    $298.05
    $298.05 - $298.05
    $298.05
    Save 5% Save %
  • 2017-2021 Infiniti Q60 Front Splitter & Winglets - KB11232
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    2017-2022 Infiniti Q60 Front Splitter & Winglets - KB11232

    STILLEN
    $503.92
    $503.92 - $503.92
    $503.92
    $479.52
    $479.52 - $479.52
    $479.52
    In stock

    Product Features 3 Piece Kit: (1) Splitter & (2) Diverters Polyurethane Construction Front Air (Lip Spoiler) / Front Splitter Part Comes ...

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    $503.92
    $503.92 - $503.92
    $503.92
    $479.52
    $479.52 - $479.52
    $479.52
    Save 5% Save %
  • 2017-2021 Infiniti Q60 Rear Spoiler [Carbon Fiber] - CF11239
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    2017-2022 Infiniti Q60 Rear Spoiler [Carbon Fiber] - CF11239

    STILLEN
    $993.47
    $993.47 - $993.47
    $993.47
    $844.45
    $844.45 - $844.45
    $844.45
    In stock

    Product Features Designed by Stillen & Produced by Seibon Finish: Carbon Fiber Matches the Q60 body contours 2x2 Weaverear spoiler Overview...

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    $993.47
    $993.47 - $993.47
    $993.47
    $844.45
    $844.45 - $844.45
    $844.45
    Save 15% Save %
  • 2017-2018 Infiniti Q60 STILLEN Side Skirts & Rear Corners [Unpainted] - KB11236
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    2017-2022 Infiniti Q60 Side Skirts & Rear Corners [Unpainted] - KB11236

    STILLEN
    $739.04
    $739.04 - $739.04
    $739.04
    $703.26
    $703.26 - $703.26
    $703.26
    In stock

    Product Features Side Skirt Set (Rocker Panels) - Driver and Passenger Sides Unpainted Polyurethane Construction - Ready for Prep and Paint Retai...

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    $739.04
    $739.04 - $739.04
    $739.04
    $703.26
    $703.26 - $703.26
    $703.26
    Save 5% Save %
  • 2017-2018 Infiniti Q60 STILLEN Side Skirts & Rear Corners- Matte Black - KB11236MB
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    2017-2022 Infiniti Q60 Side Skirts & Rear Corners- Matte Black - KB11236MB

    STILLEN
    $908.77
    $908.77 - $908.77
    $908.77
    $864.77
    $864.77 - $864.77
    $864.77
    In stock

    Product Features Side Skirt Set (Rocker Panels) - Driver and Passenger Sides Matte Black Polyurethane Construction - Ready for Prep and Paint Ret...

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    $908.77
    $908.77 - $908.77
    $908.77
    $864.77
    $864.77 - $864.77
    $864.77
    Save 5% Save %

  • 2019-2022 Ford Super Duty Tremor 4WD | 3 Inch Lift Kit | Rough Country 41370

    STILLEN
    $999.99 - $999.99
    $999.99
    $999.99 - $999.99
    $999.99
    In stock

    Superior Looks. Give your fourth-generation Ford Super Duty Tremor an impressive upgrade, front to back with Rough Country’s 3" Suspension Lift K...

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    $999.99 - $999.99
    $999.99
    $999.99 - $999.99
    $999.99
  • 2019-2022 Chevy Silverado 1500 TruPower by STILLEN Cold Air Intake Scoop - TP403501
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    2019-2024 Chevy Silverado 1500 TruPower by STILLEN Cold Air Intake Scoop - TP403501

    STILLEN
    $245.98
    $245.98 - $245.98
    $245.98
    $205.21
    $205.21 - $205.21
    $205.21
    In stock

       *NOTE: As of February 15, 2022 this product is compatible with the active aero shutters.  Year: 2019, 2020, 2021, 2021, 2022, 2023, 2024 Make: ...

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    $245.98
    $245.98 - $245.98
    $245.98
    $205.21
    $205.21 - $205.21
    $205.21
    Save 17% Save %
  • 2019-2022 GMC Sierra 1500 TruPower by STILLEN Cold Air Intake Scoop - TP403503
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    2019-2024 GMC Sierra 1500 TruPower by STILLEN Cold Air Intake Scoop - TP403503

    STILLEN
    $245.36
    $245.36 - $245.36
    $245.36
    $205.21
    $205.21 - $205.21
    $205.21
    In stock

     Year 2019, 2020, 2021, 2022, 2023, 2024 Make GMC Sierra Model 1500 Features and benefits: Made in USA Limited lifetime warranty Direct cold air ...

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    $245.36
    $245.36 - $245.36
    $245.36
    $205.21
    $205.21 - $205.21
    $205.21
    Save 16% Save %
  • Save up to 16% Save %

    2022+ HONDA CIVIC HATCHBACK STILLEN CAT-BACK EXHAUST - 504100/504101

    STILLEN
    $1,249.99
    $1,249.99 - $1,249.99
    $1,249.99
    $1,044.99 - $1,084.99
    $1,044.99 - $1,084.99
    $1,044.99
    In stock

    Are you ready to transform your driving experience and make a bold statement on the road? Look no further than the all-new STILLEN Cat-Back Exhaust...

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    $1,249.99
    $1,249.99 - $1,249.99
    $1,249.99
    $1,044.99 - $1,084.99
    $1,044.99 - $1,084.99
    $1,044.99
    Save up to 16% Save %
  • 2022-23 Toyota Tundra 3.5L Twin Turbo V6 STILLEN Cat-Back Exhaust 509356/509357
    Save up to 23% Save %

    2022+ Toyota Tundra 3.4L Twin Turbo V6 STILLEN Cat-Back Exhaust

    STILLEN
    $1,249.00 - $1,399.00
    $1,249.00 - $1,399.00
    $1,249.00
    $999.99 - $1,074.99
    $999.99 - $1,074.99
    $999.99
    In stock

    2022-23 Toyota Tundra 3.4L Twin Turbo V6 STILLEN Cat-Back Exhaust 509356/509355   Unlock the true power and performance of your 2022+ Toyota Tundra...

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    $1,249.00 - $1,399.00
    $1,249.00 - $1,399.00
    $1,249.00
    $999.99 - $1,074.99
    $999.99 - $1,074.99
    $999.99
    Save up to 23% Save %
  • 2022-2024 Honda Civic TruControl by STILLEN Inline Power Module - TC103003
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    2022-2024 Honda Civic TruControl by STILLEN Inline Power Module - TC103003

    STILLEN
    $759.00
    $759.00 - $759.00
    $759.00
    $649.00
    $649.00 - $649.00
    $649.00
    In stock

    2022-2024 Honda Civic TruControl by STILLEN Inline Power Module - TC103003   Now with 14 Day Satisfaction Guarantee - Test it in your own vehicle c...

    View full details
    $759.00
    $759.00 - $759.00
    $759.00
    $649.00
    $649.00 - $649.00
    $649.00
    Save 14% Save %
  • 2023 Nissan Z | STILLEN Cat Back Exhaust "Competition Series" SKU 504500, 504501, 504502
    Save up to 5% Save %

    2023 Nissan Z | STILLEN Cat Back Exhaust "Competition Series" SKU 504500, 504501, 504502

    STILLEN
    $1,099.91
    $1,099.91 - $1,099.91
    $1,099.91
    $1,050.00 - $1,175.00
    $1,050.00 - $1,175.00
    $1,050.00
    In stock

      STILLEN is excited to release the cat-back exhaust system for the 2023 Nissan Z.  During the development of this exhaust system STILLEN engineer...

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    $1,099.91
    $1,099.91 - $1,099.91
    $1,099.91
    $1,050.00 - $1,175.00
    $1,050.00 - $1,175.00
    $1,050.00
    Save up to 5% Save %

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