FLASH SALE
$50 OFF ALL TUNING PACKAGES
( CODE : TUNE50 )
DISCOUNT OFF ALL OTHER PRODUCTS
( CODE : DIESEL2025 )
Last Updated: 9-22-25
By ordering from PistonTwistin.org, you agree to the following policies:
Standard Orders: All cancelled orders are subject to a 5% fee to cover payment processing costs. This applies to cancellations for any reason, including ordering the wrong part, unexpected lead times, or change of mind.
Vendor-Specific Products: Orders containing Carli, Kryptonite, Forced Inductions, Flux, HSP, Synergy, EvilFab, MBRP , and SDP products are subject to a 20% cancellation fee if cancelled prior to 8 weeks, due to extended lead times.
Custom Orders: Orders for powder-coated, special-order, or made-to-order products cannot be cancelled once placed.
If you wish to adjust an order to a different product of equal or greater value, we may waive the cancellation fee at our discretion. Please contact support@pistontwistin.org for changes.
All tuning files, calibration files, and digital products are strictly NON-REFUNDABLE once delivered.
Custom tuning requires time, research, and development. These are labor-based services that cannot be reversed or resold.
By purchasing, you acknowledge that tuning files are provided “as-is” for off-road competition use only, with no warranties, guarantees, or liability for vehicle performance, drivability, or damage.
Many products have extended lead times, particularly powder-coated and custom-made items.
Once an order for a powder-coated or custom-built item is placed, it cannot be cancelled or refunded.
If you require a product quickly, contact support@pistontwistin.org prior to ordering to confirm availability.
Returns must be approved in advance by contacting support@pistontwistin.org.
Approved returns are subject to a 15–25% restocking fee, depending on manufacturer policy.
Non-returnable items include:
Tuning files & digital products (non-refundable)
Special-order products
Custom powder-coated products
Open-box or clearance items
Products returned without prior authorization will be refused.
Warranty claims must be directed to support@pistontwistin.org. Each manufacturer has its own process and requirements.
Warranty covers repair or replacement of the defective part only.
Warranty does not cover:
Labor costs
Shipping costs
Subsequent damage to other components or the vehicle
Failures caused by improper installation, abuse, or misuse
Some products are shipped directly from the manufacturer or distributor. In these cases:
Your chosen shipping method may not always be used.
Shipping times may vary depending on manufacturer stock and location.
⚠️ Important Notice: By completing your purchase, you acknowledge that you have read and agreed to this Return & Refund Policy. Tuning files and digital products are non-refundable under all circumstances.