How long does order processing take?

A standard processing time of up to 48 working hours is required before the order is shipped out.

What payment methods do you accept?

We accept PayPal, PayPal Guest Checkout, and major credit/debit cards via PayPal. If you see a different PayPal account name during checkout (e.g., in Chinese), that is our verified merchant account and your payment is handled securely by Top Tuning Boost.

Where do you ship from?

We ship from our US facilities in Fontana, CA 92335 and Pottsville, PA 17901, plus international partners when US stock is unavailable.

What are the shipping options?

Economy Shipping is often free on eligible items. Standard Shipping is $19.99 where applicable. When an item is not in US stock, it ships from international partners (typically 3–14 business days in transit after processing).

How can I check product compatibility (fitment)?

Review product specifications and vehicle fitment notes on each page, or email service@toptuningboost.com with your vehicle year/make/model/trim.

Do you offer returns or exchanges?

Eligible items may be returned within the policy window in new/uninstalled condition with original packaging. Contact service@toptuningboost.com for an RMA before sending anything back.

Order support & contact hours

Email (preferred): service@toptuningboost.com. Phone (urgent only): +1 (323) 922-3454. Business Hours: Mon–Fri | 9am–5pm (GMT-08) Pacific Time.

Legal & usage notice (performance parts)

OFF-ROAD USE ONLY. Some performance parts are not certified for emissions-controlled vehicles and may be illegal on public roads. Customers must verify local laws. Top Tuning Boost will not ship CARB-restricted products into CARB-restricted areas.

About Top Tuning Boost — Driven by Passion for Performance

About Top Tuning Boost

Top Tuning Boost is a performance parts store focused on quality aftermarket upgrades for North American vehicles. We specialize in four core categories: Lighting, Exhaust, Wheel Enhancement, and Timing Chain Kits.

What We Offer

Lighting — LED headlights, fog lights, and visibility upgrades for safer night driving.
Exhaust — Performance exhaust components for better sound and flow.
Wheel Enhancement — Wheel spacers and fitment accessories for stance and handling.
Timing Chain Kits — Reliable engine timing components for long-lasting performance.

Why Shop With Us

Carefully selected aftermarket parts for popular US models
Clear fitment details and responsive customer support
Fast fulfillment from our US facilities

Fulfillment & Contact

Fulfillment Center: Fontana, CA 92335, USA
Additional Warehouse: Pottsville, PA 17901, USA

Customer Support: service@toptuningboost.com
Phone: +1 (323) 922-3454
Business Hours: Mon–Fri, 9:00 AM – 5:00 PM (PST)

Explore Our Collections

• Lighting Collection
• Exhaust Collection
• Wheel Enhancement Collection
• All Products