Nitrous Express · New
Nitrous Express Instaboost EFI Nitrous Kit w/5lb Bottle
MPN 20929-05 · Store SKU nex20929-05
Supplier stock checked 11/7/2026, 8:06:45 AM UTC. Adding a part does not reserve it.
Request a return within 30 calendar days after delivery. New parts must be unopened and unused.
Shipping & returns ↗This policy does not limit rights required by law.Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.
Product details
In the world of turbochargers things are not perfect. For drag racing applications you need a big turbo to make big power, but along with the big power comes a big problem, TURBO LAG! NX has the cure for turbo lag woes, the InstaBOOST turbo lag eliminator! This unique system comes on strong to eliminate that dreaded turbo lag but then ramps out the nitrous smoothly to let the mighty turbo do it's thing. The end result is monster power with zero lag even with a HUGE turbo. The InstaBOOST is a low cost solution for your turbo lag woes. Featuring an adjustable 18AN psi pressure switch to control the nitrous flow, it is sure to have you out of the hole faster than ever. INSTABOOST EFI NITROUS SYSTEM; 5LB BOTTLE INSTABOOST EFI NITROUS SYSTEM, 5LB BOTTLE Nitrous Oxide Injection System Kit
Manufacturer fitment & guides
Check 20929-05 against the manufacturer’s application information below.
Part-specific notes
- Not CARB approved. Destination and intended-use restrictions must be checked before sale.
- Emissions acknowledgement required before purchase.
- California Proposition 65: Y
