C6 Tech/Performance LS2, LS3, LS7, LS9 Corvette Technical Info, Internal Engine, External Engine, Tech Topics, Basic Tech, Maintenance, How to Remove & Replace
Sponsored by:
Sponsored by:

Emmissions Limits

Thread Tools
 
Search this Thread
 
Old Feb 23, 2010 | 09:09 PM
  #1  
ImpatientlyWaiting's Avatar
ImpatientlyWaiting
Thread Starter
Racer
 
Joined: Feb 2010
Posts: 293
Likes: 1
Default Emmissions Limits

Hi,

I am wondering how far I can go with mods without failing CT emissions testing. I would like to do B&B exhaust, headers of some kind (suggestions please), a cold air intake (again, suggestions on best power gains), and I also heard that upgrading the throttle body can be a big HP gain.
Reply
Old Feb 23, 2010 | 09:44 PM
  #2  
TPSMak's Avatar
TPSMak
Supporting Vendor
15 Year Member
Liked
Loved
Community Favorite
 
Joined: Nov 2007
Posts: 31,253
Likes: 332
From: San Jose CA
St. Jude Donor '11
Default

If CT emissions standards are like California's then this is what you can and cannot do.

Supercharger (Passes Smog no Problem and will have a EO #)
Exhaust/ Catback (Passes Smog no Problem)
Long Tube Headers w/ Cats (MAY pass sniffer but will not pass visual)
Cold Air Intake (Will pass smog as long as the CEL is not on. Some CAI have carb #s such as K&N and Callaway)
Cams (MILD cam (220-223) will pass smog sniffer)
Ported Intaked (Will pass smog)
Ported throttle body (Will Pass smog)
AFR Heads (Will pass smog and have EO#)
__________________
TPSMotorsports.com
Mike Mak
2705 Lafayette Street
Santa Clara, CA 95050
Phone #: 408/898-4632
Email #: MikeM@TPSMotorsports.com
Authorized dealer of Corbeau Seats, ECS Superchargers, Edelbrock SuperChargers, A&A Superchargers, Kooks, Whipple, Magnalow, Corsa, Borla. LG Motorsports, Procharger, Billy Boat Exhaust, AWE Exhaust, American Racing, TPS Brake Rotors/ Kits, Stainless Steel Brake Lines & much more...



Reply
Old Feb 23, 2010 | 09:47 PM
  #3  
ImpatientlyWaiting's Avatar
ImpatientlyWaiting
Thread Starter
Racer
 
Joined: Feb 2010
Posts: 293
Likes: 1
Default

Originally Posted by TPSMak
If CT emissions standards are like California's then this is what you can and cannot do.

Supercharger (Passes Smog no Problem and will have a EO #)
Exhaust/ Catback (Passes Smog no Problem)
Long Tube Headers w/ Cats (MAY pass sniffer but will not pass visual)
Cold Air Intake (Will pass smog as long as the CEL is not on. Some CAI have carb #s such as K&N and Callaway)
Cams (MILD cam (220-223) will pass smog sniffer)
Ported Intaked (Will pass smog)
Ported throttle body (Will Pass smog)
AFR Heads (Will pass smog and have EO#)
This is awesome thanks!!! But isn't CA more strict than every other state in the US?
Reply

Get notified of new replies

To Emmissions Limits





All times are GMT -4. The time now is 12:13 PM.

story-0
5 Reasons to Upgrade to an LS6-Powered Corvette; 5 Reasons to Stay LT2

Slideshow: Should you buy a 2020-2026 Corvette or wait for 2027?

By Michael S. Palmer | 2026-04-22 10:08:58


VIEW MORE
story-1
2027 Corvette vs The World: Every Model vs Closest Competitor

Slideshow: 2027 Corvette lineup vs the world.

By Joe Kucinski | 2026-04-20 17:58:41


VIEW MORE
story-2
10 Most Common Corvette Problems of the Last 20 Years!

Slideshow: 10 major Corvette problems from the last 20 years.

By Joe Kucinski | 2026-04-14 16:37:05


VIEW MORE
story-3
5 MOST and 5 LEAST Popular Corvette Model Years in History!

Slideshow: 5 most and least popular Corvette model years.

By Joe Kucinski | 2026-04-08 13:25:01


VIEW MORE
story-4
2027 Corvette Buyer's Guide: Everything You Need to Know!

Slideshow: 2027 Corvette buyer's guide

By Joe Kucinski | 2026-04-17 16:41:08


VIEW MORE
story-5
10 Things C8 Corvette Owners Hate (But Won't Tell You)

Slideshow: 10 things C8 Corvette owners hate, but won't tell you.

By Joe Kucinski | 2026-04-01 18:36:07


VIEW MORE
story-6
10 Best Corvettes Coming to Barrett-Jackson Palm Beach 2026!

Slideshow: Should you add one of these incredible Corvettes to your garage?

By Brett Foote | 2026-04-01 18:14:05


VIEW MORE
story-7
Every Corvette Grand Sport Explained! (C2, C4, C6, C7, & C8)

Slideshow: Every Corvette Grand Sport explained

By Joe Kucinski | 2026-03-26 07:13:44


VIEW MORE
story-8
Grand Sport & Grand Sport X Launch Alongside All-New 535hp LS6 V8!

Slideshow: Breaking down the 2027 Grand Sport, Grand Sport X, Stingray, and LS6 V8.

By Michael S. Palmer | 2026-03-26 13:48:45


VIEW MORE
story-9
5 Reasons Bad Drivers Crash & 5 Ways to Avoid a Costly Mistake!

Slideshow: 5 reasons bad drivers crash sports cars & 5 ways to avoid a costly shame!

By Joe Kucinski | 2026-03-25 16:32:55


VIEW MORE