Whipple owners Headers or just Cat Back?

[Phoenix]

Good to know, I plan on staying in the low 700's and on 93 (just not enough e85 down here in Texas)

there is a stripes in manvel that always seems to have good e85, according to the fam on the southside in the Houston S550 group.

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[bigjohns97]

there is a stripes in manvel that always seems to have good e85, according to the fam on the southside in the Houston S550 group.

yeah there is a Kroger in Pearland as well but i am not about having to drive across town in situations to fill up (which you have to do even more often with e85)

Just not convenient enough.

Now if we were in Iowa shit would be a different story.

 

[bigjohns97]

I think both combined should be worth 20-30whp, esp if you modify the connection point of the headers to cat back to be 3" straight through.

Good to know, also thinking about Ceramic coating for under-hood temps, not to mention it seems like running headers and exhaust with the whipple releases some of that cylinder pressure that could cause an issue at higher rpm.

That is why there is so many responding with full exhaust ITT

 

[SolarFlare]

longtubes arent too loud if you setup the exhaust properly. I am wondering if anyone has found the point in power with the stock resonator becomes a restriction. Considering replacing my mid section with 3" piping and magnaflow resonator.

 

[doodguy]

I have Pypes long tube headers, to 3" all the way back no cats resonator delete ending in MBRP Street. No rasp, quiet when cruising on highway and very very loud under WOT.

Making 900ish to the wheels. Researching what I can do to get closer to the 1,000 mark.

 

[SolarFlare]

I have Pypes long tube headers, to 3" all the way back no cats resonator delete ending in MBRP Street. No rasp, quiet when cruising on highway and very very loud under WOT.

Making 900ish to the wheels. Researching what I can do to get closer to the 1,000 mark.

Quiet and no rasp? I think you're just deaf at this point. lol

 

[doodguy]

Quiet and no rasp? I think you're just deaf at this point. lol

No seriously it's not bad at all cruising around town. Only loud when wot.

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