Warranty Killer Performance

02/16/2026

President's Day 🇺🇸 sale is here! Use these discounts to start saving now!

15% OFF Tuning & Clutching Products, use code: PRES15
10% OFF WKP Products, use code: PRES10
5% OFF Site-wide, use code: PRES5

*Valid from 02/16/2026 till 02/17/2026.

Warranty Killer Performance, LLC. has been engineering, developing, marketing and specializing in creative, after-market performance parts and tuning for ATVs, UTVs, Motorcycles, and PWC since 2011.

12/19/2025

Christmas 🎅 sale is here! Use these discounts to start saving now!

5% OFF Sitewide, use code: CMALL5
10% OFF WKP Products, use code: CMWKP10
15% OFF Calibrations, use code: CMTUN15

*Valid from 12/19/2025 till 12/29/2025.
www.warrantykillerperformance.com/christmas

11/27/2025

Black Friday & Cyber Monday 🇺🇸 sale is here! Use these discounts to start saving now!

10% OFF Site-wide, use code: BF10
20% OFF WKP Products, use code: BF20
30% OFF Tuning Products, use code: BF30

*Valid from 11/27/2025 till 12/02/2025.
www.warrantykillerperformance.com/blackfriday

11/11/2025

Veterans Day 🇺🇸 sale is here! Use these discounts to start saving now!

15% OFF Tuning Products, use code: VET15
10% OFF WKP Products, use code: VET10
5% OFF Site-wide, use code: VET5

*Valid from 11/11/2025 till 11/12/2025.
www.warrantykillerperformance.com

10/31/2025

Halloween 🎃 sale is here! Use these discounts to start saving now!

15% OFF Tuning & Clutching Products, use code: HALL15
10% OFF WKP Products, use code: HALL10
5% OFF Site-wide, use code: HALL5

*Valid from 10/31/2025 till 11/03/2025.
www.warrantykillerperformance.com

08/29/2025

Labor Day 🇺🇸 sale is here! Use these discounts to start saving now!

15% OFF Tuning & Clutching Products, use code: LABOR2515
10% OFF WKP Products, use code: LABOR2510
5% OFF Sitewide, use code: LABOR2505

*Valid from 08/29/2025 till 09/02/2025.
www.warrantykillerperformance.com

08/18/2025

We are looking for a Chevy or GMC 20-22, 22-22.5, 22.5-25 Silverado / Sierra LM2 and LZ0 at the shop for a few days for free tuning.

07/03/2025

Independence Day 🎆 sale is here! Use these discounts to start saving now!

15% OFF Tuning & Clutching Products, use code: JUWCK15
10% OFF WKP Products, use code: JUWKP10
5% OFF Sitewide, use code: JUALL5

*Valid from 07/03/2025 till 07/07/2025.
www.warrantykillerperformance.com

05/23/2025

🇺🇸 MEMORIAL DAY WEEKEND SALE 🇺🇸

— COUPON CODES —
5% OFF Sitewide, use code: MEMORIAL5
10% OFF WKP Products, use code: MEMORIAL10
15% OFF Tuning Products, use code: MEMORIAL15

*Valid from 05/23/2024 at midnight and ends 05/27/2024 at midnight.

04/17/2025

Easter 🐰 sale is here! Use these discounts to start saving now!

5% OFF Sitewide, use code: ESALL5
10% OFF WKP Products, use code: ESWKP10
15% OFF Tuning Products, use code: ESTUN15

*Valid from 04/17/2025 till 04/21/2025.
www.warrantykillerperformance.com

01/23/2025

25 GEN 3 Can Am Outlander 1kR, 850R, 700, & 500 R&D!