Electric Exhaust Cutouts
Thread Starter
Melting Slicks
Joined: Feb 2003
Posts: 2,529
Likes: 27
From: Auburndale Florida
2025 C2 of the Year ('64-'66) Finalist - Unmodified
St. Jude Donor '03-'05-'06-'07-'09
Electric Exhaust Cutouts
Anybody try any of the electric exhaust cutoutson your C3? If so, any brand recomendations? Any pix? Mark
Pro
Joined: Feb 2012
Posts: 577
Likes: 6
Reading through forums for years I have seen threads pop up fairly often about the electric cutouts failing after a year or so of use, causing an exhaust leak. Considering the price of these units I would recommend picking a brand that has good customer service and warranty replacements.
Thread Starter
Melting Slicks
Joined: Feb 2003
Posts: 2,529
Likes: 27
From: Auburndale Florida
2025 C2 of the Year ('64-'66) Finalist - Unmodified
St. Jude Donor '03-'05-'06-'07-'09
I did a search here, I see QTP was a popular choice in some of the older threads. Expensive, about $400 a pair, plus install. If there is a reliability issue after only a year or so of service.... not much fun to that!!!
I think it is more popular withh the C5 and C6 crowd. Going to do some more research there. thanks
I think it is more popular withh the C5 and C6 crowd. Going to do some more research there. thanks
Safety Car
Joined: Sep 2005
Posts: 4,062
Likes: 104
From: Southeast, Tennessee
St. Jude Donor '09 thru '26
Reading through forums for years I have seen threads pop up fairly often about the electric cutouts failing after a year or so of use, causing an exhaust leak. Considering the price of these units I would recommend picking a brand that has good customer service and warranty replacements.
do a search here, there have been several posts and threads on the prospect and reality of eventually not fully sealing.
Melting Slicks
Joined: Jun 2011
Posts: 2,096
Likes: 15
I had the QTPs on my 02 Sierra and loved them. Had a problem one time with the switch and they replaced it no questions asked. Sounds kinda like crap with a stock cam but a aftermarket with a close LSA will knock your socks off. Totally loved em. 
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Racer
Joined: Nov 2005
Posts: 305
Likes: 50
What about just side pipes with more conservative mufflers, and then cutouts on the collectors? That way you wouldn't have to have 2 full exhaust systems.
Le Mans Master
Joined: Apr 2001
Posts: 5,941
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From: Was New Orleans but swam to Baton Rouge LA
Cruise-In IX Veteran
Safety Car
Joined: Sep 2005
Posts: 4,062
Likes: 104
From: Southeast, Tennessee
St. Jude Donor '09 thru '26
Reading through forums for years I have seen threads pop up fairly often about the electric cutouts failing after a year or so of use, causing an exhaust leak. Considering the price of these units I would recommend picking a brand that has good customer service and warranty replacements.
i have read the same posts over the years. eventually the electric cut outs fail to seal properly according to these posts. it would seem that it is pretty universal and not restricted to any one type or brand.
Racer
Joined: Nov 2005
Posts: 305
Likes: 50
That's why I went with DMH instead of QTP. DMH has a full 4-year warranty.
Le Mans Master
Joined: Apr 2001
Posts: 5,941
Likes: 281
From: Was New Orleans but swam to Baton Rouge LA
Cruise-In IX Veteran
