Anyone have 800+ rwhp with stock cats?

[Cory S]

Better to get rid of them before its too late, if im correct it can cause engine problems if they fail and get clogged. Smell on E85 isnt bad, you may smell it here and there when parked for a long period of time but tbh its practically the same, My girl doesnt notice it if that helps my bias opinion lol

Yep. Had a ring land failure due to plugged cats last year.

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[Torinate]

So what exactly happens when a cat gets plugged to cause the failure? Too much back pressure I’m presuming?

Didn’t realize the suitcase could also cause it... common or uncommon failure?

 

[Andy13186]

So what exactly happens when a cat gets plugged to cause the failure? Too much back pressure I’m presuming?

Didn’t realize the suitcase could also cause it... common or uncommon failure?

I think aftermarket cats can melt/cave in and come loose and clog up the exhaust. I think the OEM cats usually crack and break into pieces or dust, I think a bit less of a chance of actually clogging the exhaust catastrophically atleast from some of the failures ive seen pictures of.

 

[LSchicago]

I live and own a performance shop in Schaumburg IL. the whipple will 100% destroy your cats, it is not an if it is a when.

Illinois weather is also not conducive to happy cars, we have hot humid summers which makes cooling anything a nightmare. And don't plan on sitting in traffic on a nice hot summer day for more than 10 minutes or you will overheat. The whipple runs HOT, I would advise an upgraded radiator and whipples oversized heat exchanger.

I drove mine as a weekend warrior spirited highway driving and some street races. My cats and oem suitcase resonator didn't make it from june - november (about 6k miles). At the time the car was on a whipple stage 2 kit, whipple tune, and stock exhaust. melted the passenger side cat and blew out one of the baffles in the resonator.

One reason I went with the P1X. Cool as can be. IAT's rarely more than 10 degrees over ambient.

 

[Torinate]

One reason I went with the P1X. Cool as can be. IAT's rarely more than 10 degrees over ambient.

What sort of IATs at the end of the 1/4 mile or 1/4 mile highway pulls?

 

[MKL_DS]

Tuning is a huge key to making the cats live.
Keep in mind cars like the GT500 and Redeyes make really big power while including full warranty and supporting emissions components.

If the bricks crack/break, you’ll see metallic flakes show up on your exhaust tips. We got through 2.5 years of strictly 1/4 mile and dyno pulls on our 880 rwhp Redeye before we saw the signs of failure and ordered replacements. Upon removal they weren’t that bad and likely would have been fine for a while.

 

[LSchicago]

What sort of IATs at the end of the 1/4 mile or 1/4 mile highway pulls?

I haven't seen anything over 20 degrees above ambient. The Stage 2 intercooler & MAK Hurricane inlet really keep air flowing.

 

[brucelinc]

One reason I went with the P1X. Cool as can be. IAT's rarely more than 10 degrees over ambient.

What device are you using to measure iat2?

 

[LSchicago]

What device are you using to measure iat2?

The N guage.

 

[givemeadollar]

One reason I went with the P1X. Cool as can be. IAT's rarely more than 10 degrees over ambient.

P1X is a perfect choice! Honestly its the best option for a daily/weekend warrior car. We are doing 3 installs this week for p1x's.

 

[Basspro302]

I live and own a performance shop in Schaumburg IL. the whipple will 100% destroy your cats, it is not an if it is a when.

Illinois weather is also not conducive to happy cars, we have hot humid summers which makes cooling anything a nightmare. And don't plan on sitting in traffic on a nice hot summer day for more than 10 minutes or you will overheat. The whipple runs HOT, I would advise an upgraded radiator and whipples oversized heat exchanger.

I drove mine as a weekend warrior spirited highway driving and some street races. My cats and oem suitcase resonator didn't make it from june - november (about 6k miles). At the time the car was on a whipple stage 2 kit, whipple tune, and stock exhaust. melted the passenger side cat and blew out one of the baffles in the resonator.

Are you saying the engine will over heat if you idle a whipple car in high ambient temp?

 

[Torinate]

Can’t say that I’ve ever heard of whipples overheating while idling.

 

[engineermike]

Are you saying the engine will over heat if you idle a whipple car in high ambient temp?

I’ve posted log after log; the Pd blower “heat soak” issue is drastically overblown. And no, a Whipple doesn’t measurably change the effectiveness of the stock cooling system.

 

[givemeadollar]

Are you saying the engine will over heat if you idle a whipple car in high ambient temp?

Yeah, I could not drive my car in Chicago traffic on a summer day with the base GT radiator. This was also a base model gt not the PP1/PP2 that come with the big boy radiators. The base GT has a tiny 1 pass radiator that was smaller than the oversized heat exchanger that came from whipple.

 

[80FoxCoupe]

Yeah, I could not drive my car in Chicago traffic on a summer day with the base GT radiator. This was also a base model gt not the PP1/PP2 that come with the big boy radiators. The base GT has a tiny 1 pass radiator that was smaller than the oversized heat exchanger that came from whipple.

PP radiator core is 12mm thicker than base GT unit, FYI.

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