OPGI.com works best with JavaScript enabled.
1‑800‑243‑8355

As seen on

  • All Girls Garage Logo
  • Mecum Auctions Logo
Photo of Extension, 1967-72 Chevelle/El Camino/Monte Carlo, Smog Tube
Illustrative Only

Extension, 1967-72 Chevelle/El Camino/Monte Carlo, Smog Tube

Part# : CH30695
Sold As: Each
Ship Size: Standard
Price Match: Eligible
$4.99
List Price: $5.95
You Save 16%
Checkmark IconLow Stock
Only a few left for immediate delivery
Vehicle Specific View fitment for 3 models
Add To Wishlist 
Extensions, 1967-72 Chevelle/El Camino/Monte Carlo, Smog Tube, 8pc photo
Bundle & Save 2%
Extensions, 1967-72 Chevelle/El Camino/Monte Carlo, Smog Tube, 8pc
ooooo
ooooo
$38.99

Genuine steel tubing

A must-have when installing smog tubes

These steel extensions are manufactured to factory specifications for use with small-block or big-block smog tubes. Extension tubes are used at each exhaust port to pump air into the chamber and improve combustion. Each engines require one tube per cylinder. Available individually, or in a complete set.

4
This product does not require an EO in California. By nature of its design, it is legal for sale and use in all 50 states. Replacement parts included. Learn More

Find Item In These Catalogs

  • 2025 Chevelle, El Camino 64-77 324
  • 2025 Monte Carlo 70-77 184
WARNING: This product can expose you to chemicals including lead, sulfur, nickel, chromium, vanadium, titanium, polyvinyl chloride, and 4,4’-methylenebis (2-chloroaniline), which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Vehicle Fitment

Year Make Model Application Details
1967–1972 Chevrolet Chevelle  
1967–1972 Chevrolet El Camino  
1970–1972 Chevrolet Monte Carlo  
  • Headshot of OPGI Employee
    Have a Question? Chat with an Expert or Call 1‑800‑243‑8355
    Mon‑Fri 8:00‑4:30 PT Experts are currently offline
  • Low Prices. Price Match Guarantee
  • GM Automotive Experts. We know car parts
  • Guaranteed Fitment. 100% factory accurate
  • Superior Selection. Largest selection of in-stock parts

Customers Who Viewed This Item Also Viewed

Reviews (0)

UH OH! Product reviews didn't load.
Please reload the page, or unblock our review partner Yotpo.com.
Extension, 1967-72 Chevelle/El Camino/Monte Carlo, Smog Tube
Extension, 1967-72 Chevelle/El Camino/Monte Carlo, Smog Tube