Recommendation for an exhaust cutout?

Disclaimer: Links on this page pointing to Amazon, eBay and other sites may include affiliate code. If you click them and make a purchase, we may earn a small commission.

AN292

Full Access Member
Joined
Feb 19, 2020
Posts
118
Reaction score
97
2004 Tahoe LT 5.3

Stock exhaust system right now. Would love an electric cutout, any brands you recommend? Thanks
 

Joseph Garcia

Supporting Member
Joined
Aug 2, 2018
Posts
6,394
Reaction score
8,321
There was an extensive thread recently on exhaust cutouts. I believe that @iamdub was a major contributor to that thread.
 

iamdub

Full Access Member
Joined
Apr 23, 2016
Posts
20,712
Reaction score
44,433
Location
Li'l Weezyana
2004 Tahoe LT 5.3

Stock exhaust system right now. Would love an electric cutout, any brands you recommend? Thanks

You get what you pay for! The cheap ones leak, and I don't mean so much past the butterfly blade. That wouldn't be the worst of it. They leak through the hole that the rotating shaft goes through. This is like having a tiny pinhole leak in your system (because that's exactly what it is), so you get that wonderful sound that's very much like a failed exhaust manifold gasket.

Doug's Headers has a unique design that they claim to be 100% leak-free:

https://www.amazon.com/Dougs-Header...6d028b90c658c198f5648695a76587&language=en_US


Then there's the ol' fallback/tried-and-true units from QTP:

https://www.amazon.com/QTP-QTEC30-E...951PGMVD8BP&psc=1&refRID=09D2983JN951PGMVD8BP

Granatelli and BadlanzHPE have similar designs that seem to be good quality.
 
OP
OP
AN292

AN292

Full Access Member
Joined
Feb 19, 2020
Posts
118
Reaction score
97
Thanks everyone, I went with Granatelli. Any advice with wiring it up?
 

homesick

Full Access Member
Joined
Sep 19, 2018
Posts
525
Reaction score
831
I've always wondered about these, in general...

Whatever the initial build and material quality are, it seems to me that they'd carbon up and become leakers. Like the flap would become unable to completely close or open.

Anybody know?

joe
 

iamdub

Full Access Member
Joined
Apr 23, 2016
Posts
20,712
Reaction score
44,433
Location
Li'l Weezyana
I've always wondered about these, in general...

Whatever the initial build and material quality are, it seems to me that they'd carbon up and become leakers. Like the flap would become unable to completely close or open.

Anybody know?

joe

I wondered the same. I guess it depends on how or how well your engine is tuned. Unless you welded pipe on the cutout outlet, it shouldn't be anything difficult to clean- unbolt the pipe and scrub it with a small, stiff-bristled wire brush. I'd think that by the time this happened, it/they'd have been in use for quite some time, so it shouldn't be like a quarterly maintenance item. Probably more like every year or three.
 

iamdub

Full Access Member
Joined
Apr 23, 2016
Posts
20,712
Reaction score
44,433
Location
Li'l Weezyana
Thanks everyone, I went with Granatelli. Any advice with wiring it up?

What kind did you get (model number)? Do they all come standard with a controller or is that an additional accessory?
 

Forum statistics

Threads
128,790
Posts
1,805,501
Members
91,773
Latest member
wbhidalgo17
Top