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.

NISSAN Performance Parts & Exhaust Systems | Top Tuning Boost

Front Passenger Window Regulator with Motor, Compatible with Nissan Frontier 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015, Power Window Lift Motor Assembly, 741-349

Sale

Front Passenger Window Regulator with Motor, Compatible with Nissan Frontier 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015, Power Window Lift Motor Assembly, 741-349

Regular price $53.81 USD

Regular price ~~$69.95 USD~~ Sale price $53.81 USD

Sale
Electronic Throttle Body for Chrysler Dodge Jeep Nissan Vehicles - Dodge Challenger Charger Durango Throttle Body Assembly for ProMaster 1500 2500 3500 Throttle Body 2011-2022

Sale

Electronic Throttle Body for Chrysler Dodge Jeep Nissan Vehicles - Dodge Challenger Charger Durango Throttle Body Assembly for ProMaster 1500 2500 3500 Throttle Body 2011-2022

Regular price $57.98 USD

Regular price ~~$75.37 USD~~ Sale price $57.98 USD

Sale
Exhaust Header for 1977-1983 Nissan Datsun 280Z 280ZX 2.8L

Sale

Exhaust Header for 1977-1983 Nissan Datsun 280Z 280ZX 2.8L

Regular price $215.02 USD

Regular price ~~$355.81 USD~~ Sale price $215.02 USD

Sale
Exhaust Headers for 1990-1995 Nissan Hardbody D21 Pickup 2.4L 4WD

Sale

Exhaust Headers for 1990-1995 Nissan Hardbody D21 Pickup 2.4L 4WD

Regular price From $149.95 USD

Regular price ~~$302.44 USD~~ Sale price From $149.95 USD

Sale
4.5 Inches Single Tip 3 Inches Pipe Catback Exhaust for 2003-2008 Nissan 350Z Infiniti G35

4.5 Inches Single Tip 3 Inches Pipe Catback Exhaust for 2003-2008 Nissan 350Z Infiniti G35

Regular price From $245.70 USD

Regular price ~~$0.00 USD~~ Sale price From $245.70 USD

Filter:

Front Passenger Window Regulator with Motor, Compatible with Nissan Frontier 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015, Power Window Lift Motor Assembly, 741-349

Front Passenger Window Regulator with Motor, Compatible with Nissan Frontier 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015, Power Window Lift Motor Assembly, 741-349

Electronic Throttle Body for Chrysler Dodge Jeep Nissan Vehicles - Dodge Challenger Charger Durango Throttle Body Assembly for ProMaster 1500 2500 3500 Throttle Body 2011-2022

Electronic Throttle Body for Chrysler Dodge Jeep Nissan Vehicles - Dodge Challenger Charger Durango Throttle Body Assembly for ProMaster 1500 2500 3500 Throttle Body 2011-2022

Exhaust Header for 1977-1983 Nissan Datsun 280Z 280ZX 2.8L

Exhaust Header for 1977-1983 Nissan Datsun 280Z 280ZX 2.8L

Exhaust Headers for 1990-1995 Nissan Hardbody D21 Pickup 2.4L 4WD

Exhaust Headers for 1990-1995 Nissan Hardbody D21 Pickup 2.4L 4WD

4.5 Inches Single Tip 3 Inches Pipe Catback Exhaust for 2003-2008 Nissan 350Z Infiniti G35

4.5 Inches Single Tip 3 Inches Pipe Catback Exhaust for 2003-2008 Nissan 350Z Infiniti G35

Country/region