Solo hi flow cat issues - Pontiac G8 Forum: G8 Forums - G8Board.com
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post #1 of 41 (permalink) Old 01-17-2013, 02:43 PM Thread Starter
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Solo hi flow cat issues

I was wondering if anyone knows if solo has worked out the problems with there hi flow cats. I was going to go that route last year but backed off after many failures and repeat failures were reported
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post #2 of 41 (permalink) Old 01-17-2013, 03:47 PM
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I had the first gen ones and they had some leaks at the outlet welds. They replaced them under warranty,on the spot, (I visited Zorro muffler) They have been perfect since May and no codes since. They redesigned the outlet.

'09 SRM GT. VCM Intake, Saxonpc MAF Screen 5:1, Cortex,1.85 Rockers/105# Springs, JBA shorty's, Solo H/F Cats, Solo Mach Balanced. BMR Sway bars, Superpro strut mounts, Whiteline Rear Subframe Bushing, Mevotech arms. PPV struts/shocks, Tein Springs. MPSS Tires
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post #3 of 41 (permalink) Old 01-17-2013, 04:26 PM
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I was on of the first to get the solo cats with there group buy. I had one replaced with no out of pocket cost, and they have been fine.


Pat G Tune & DOD cam, RCR Intake & TB, 4IN MAF
Ported stock Heads, 2600 Stall, VCM, OBX, UDP
H&Rs, Konis, BMR, Brembos, Slotted/Drilled Rotors
3.27 Gears, ZL1 pump, LSA awaiting install

Bolt ons Street tires
12.649@107.817 60ft 1.96 Da 700ft

Heads/Cam pre stall Street tires
12.16@114.2 60ft 1.75 Da -200

After Stall
11.82@115.9 60ft 1.66 DA 400ft

Zex 125shot
11.48@124 60ft 1.83 DA 2000ft
second gear pull
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post #4 of 41 (permalink) Old 01-18-2013, 09:10 AM
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Occasionally there are problems, but one quick phone call to Steve at solo to explain your situation will most definately have it resolved for you. I was one of the beta testers of the HFC's and still have my pre-release HFC's, now with over 30k miles on them, nary a leak or any other problems to report.

Once in a while if road derbis comes in contact with the underside of the car, it can dent and therefore possibly damage the innards of the HFC, but that's not a manufacturer defect, that's just physical damage.

If you're just going on "reports" ... often people only complain when there's something to complain about. Not trying to sound rude, but there are many many many solo HFC customers who installed them and never looked back, never had problems, and are enjoying the additional power that upgrading to HFC's brings.

I'd say you should call Steve to sort this out for yourself. No need to be "scared".
--zepcom


2009.1 ZEPCOM MGM G8 GT
Kooks LT's, SOLO HFC & Mach Unbalanced with J-pipes, SLP Tips.
Livernois tune, VCM, FE3's, Blue gauges, iphone on display. Daily Driver FTW
The ZEPCOM G8 was SOLO's test mule
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post #5 of 41 (permalink) Old 01-18-2013, 09:52 AM
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There are no issues with our converters. We are only human and any time there has been an issue in the past, which has been very rare, we have remedied the situation with professionalism. We take care of our customers like they are family, because they are. I can assure you we have no issues with our converters if installed correctly. Thanks so much and feel free to contact me with any questions you may have.

Steve
516-655-9002
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post #6 of 41 (permalink) Old 01-18-2013, 10:05 AM
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They are very high quality, high flo cats, i have no complaints, i bought the car with mine on them, and love the power gains, sounds, and quality of product. Had what sounded like a leaking cat, took it to mufflerman/solo head quarters in Buffalo, and they threw it right up on the lift, looked at it, were not able to completely identify the problem(it didnt do it all the time) they said bring it back if the problem occurs, well since then it has gotten worse...moral of the story, its not the cats you have to worry about or the exhaust system it self, its the factory flex pipe....thts what the noise turned out to be. But since im throwing headers on there, i could care less,its in the garage covered for the witner, and they're comig off in less than 2 months and im going catless with kooks mids and the solo axel backs... "off road car only" all in all though, i dont have one bad word about any solo product that i've owned.

2009 SBM G8 GT (Winter Garage Queen/Summer DD) SOLD Show- GXP front fascia& rear difuser, 50% tint, 10K 55W Front- VMR 19x8.5 in 245/40ZR19 BFG TWA, Rear- VMR 19x9.5 in 275/35ZR19 INVO
Go-Kooks LT 1 7/8"-No Cats-SOLO Mach Unbalanced exahust with J-Pipes + SLP Unique Tips, Livernois ECM/TCM tune, Rotofab CAI w/ HSRK, Billet SBM Oil Catch Can, NEP Ported Intake and TB
2008 MGM G8GT- Stock (Totaled/Lesson learned)
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post #7 of 41 (permalink) Old 01-18-2013, 12:14 PM
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I will say that hands down Solo has had the best customer service of any car parts supplier I have ever dealt with. May be the best ongoing customer service experience I have had with ANY company. I would bring them my business again and again if they had anything that I need.


Pat G Tune & DOD cam, RCR Intake & TB, 4IN MAF
Ported stock Heads, 2600 Stall, VCM, OBX, UDP
H&Rs, Konis, BMR, Brembos, Slotted/Drilled Rotors
3.27 Gears, ZL1 pump, LSA awaiting install

Bolt ons Street tires
12.649@107.817 60ft 1.96 Da 700ft

Heads/Cam pre stall Street tires
12.16@114.2 60ft 1.75 Da -200

After Stall
11.82@115.9 60ft 1.66 DA 400ft

Zex 125shot
11.48@124 60ft 1.83 DA 2000ft
second gear pull
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post #8 of 41 (permalink) Old 01-18-2013, 06:59 PM Thread Starter
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Thanks all for your replies . Steve, I will be in touch with you when the weather breaks
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post #9 of 41 (permalink) Old 01-25-2013, 04:56 PM
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Not a problem at all...snowing here now...when you're ready, give me a call
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post #10 of 41 (permalink) Old 01-25-2013, 08:58 PM
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Just put on a set last weekend. Had one quick question about fitment but Steve got back to me quickly and set me straight. The only problem I had was a bank 2 lean code on the downstream O2 yesterday but have since learned that was a cortex tune issue. The tune has been removed and to quote Zep a "big boy" tune is in the works.
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post #11 of 41 (permalink) Old 01-29-2013, 06:53 AM
Ang
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Just wondering if these cats will hold up with my supercharged application. I've already cooked a set of Kooks (no pun intended ) and need reassurance I will not do the same with these.

2009 G8 GT
Roto-Fab CAI
Maggie TVS1900 Supercharger Kit with cog kit - 9.5 psi
Sno Performance Water-Meth Kit
Solo Performance Mach Shorty Balanced Cat-Back Exhaust w/ Kooks Shorty Headers
Pedders Supercar Coilovers
Champion Motors Toronto tuned!
Dyno Pull - http://www.youtube.com/watch?v=TGQXgNlOzxo
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post #12 of 41 (permalink) Old 01-29-2013, 12:48 PM
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Re: Solo hi flow cat issues

Quote:
Originally Posted by Ang View Post
Just wondering if these cats will hold up with my supercharged application. I've already cooked a set of Kooks (no pun intended ) and need reassurance I will not do the same with these.
There was a thread about boosted applications melting HFC from Camaros. And everyone was curious about it for a long time and there was a massive thread on camaro5 about it.

Zep can chime in on this but the solo HFCS are good for a 6 liter motor just for one cat. So that comes on to 12liters total. You'll have zero issues with boost.

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Rotofab
Kooks LT
Solo HFC
Solo Mach
Pedders Street II GSR kit
Livernois 1C Cam DOD Delete
Milled Heads
Ported Intake
Ported Throttle Body

Bolt ons dyno W/Pat G tune: 364/373
After:430/404
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post #13 of 41 (permalink) Old 01-29-2013, 01:13 PM
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Quote:
Originally Posted by WiscoG8 View Post
Zep can chime in on this but the solo HFCS are good for a 6 liter motor just for one cat. So that comes on to 12liters total. You'll have zero issues with boost.
I have no direct experience with this as I'm still N/A on my car, for what it's worth.

I have heard solo say many times that each cat is (over)rated for 6.0L, so yes, WiscoG8, you are correct.

I have not heard of any failures of SOLO HFC's in a supercharged G8 setup.


2009.1 ZEPCOM MGM G8 GT
Kooks LT's, SOLO HFC & Mach Unbalanced with J-pipes, SLP Tips.
Livernois tune, VCM, FE3's, Blue gauges, iphone on display. Daily Driver FTW
The ZEPCOM G8 was SOLO's test mule
www.youtube.com/zepcom
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post #14 of 41 (permalink) Old 01-29-2013, 01:35 PM
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Quote:
Originally Posted by the yeti View Post
i will say that hands down solo has had the best customer service of any car parts supplier i have ever dealt with. May be the best ongoing customer service experience i have had with any company.
agreed!!!!!!!!

09 Black G8 GT
Volant intake, Solo Performance HFCs & exhaust, StopTech rotors, Hawk brake pads, Enkei Kojin w/ Michelin Super Sports, EFI Live custom tune, ATI harmonic balancer, functional hood vents, iPod and Bluetooth integrated.
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post #15 of 41 (permalink) Old 01-29-2013, 07:02 PM
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Our cats have held up on any supercharged application that have been used with. The only issue has been when the tuning was really bad, and it ran way too rich for anyone's liking. Other than that, they are awesome. They are specially wound inside to make them stronger and hold up to higher temperatures, not like other converters. Thanks
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post #16 of 41 (permalink) Old 01-30-2013, 08:24 AM
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Quote:
Originally Posted by GOINGSOLO2 View Post
Our cats have held up on any supercharged application that have been used with. The only issue has been when the tuning was really bad, and it ran way too rich for anyone's liking. Other than that, they are awesome. They are specially wound inside to make them stronger and hold up to higher temperatures, not like other converters. Thanks
Spun brick or honey comb?

09 Black G8 GT
Volant intake, Solo Performance HFCs & exhaust, StopTech rotors, Hawk brake pads, Enkei Kojin w/ Michelin Super Sports, EFI Live custom tune, ATI harmonic balancer, functional hood vents, iPod and Bluetooth integrated.
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post #17 of 41 (permalink) Old 01-30-2013, 11:13 AM
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Metal cores are spun, like Solos. Ceramic are honeycomb.

'09 SRM GT. VCM Intake, Saxonpc MAF Screen 5:1, Cortex,1.85 Rockers/105# Springs, JBA shorty's, Solo H/F Cats, Solo Mach Balanced. BMR Sway bars, Superpro strut mounts, Whiteline Rear Subframe Bushing, Mevotech arms. PPV struts/shocks, Tein Springs. MPSS Tires
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post #18 of 41 (permalink) Old 01-30-2013, 11:17 AM
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Quote:
Originally Posted by GT Drew View Post
Metal cores are spun, like Solos. Ceramic are honeycomb.
Didn't know they used a metal substrate.

09 Black G8 GT
Volant intake, Solo Performance HFCs & exhaust, StopTech rotors, Hawk brake pads, Enkei Kojin w/ Michelin Super Sports, EFI Live custom tune, ATI harmonic balancer, functional hood vents, iPod and Bluetooth integrated.
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post #19 of 41 (permalink) Old 02-01-2013, 06:31 AM
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The internals of our cats are specially wound stainless steel substrate, the highest quality you can get. Ceramics will melt at high temperatures, which is why we don't use that.
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post #20 of 41 (permalink) Old 02-01-2013, 11:54 AM
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So Solo cats and a Cortex tune are a no no correct?
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