07 Infiniti m35 base exhaust headers

Forum for Infiniti M35 and M45, and Nissan Fuga owners.
SeveLampley
Posts: 27
Joined: Tue Feb 18, 2020 8:04 am
Car: 2007 Infiniti M35-k23 silver, 5 stage paint correction, 2 ceramic coats, full bolt on, uprev tuned, d&s rotors, hawks hs1 pads, dot 5.1 steel lines

07 Infiniti m35 base exhaust headers

Postby SeveLampley » Sat May 01, 2021 5:22 pm

So I just burnt my whole day trying to get some after market exhaust headers to fit. It’s appears that the flange is *just* off. Tried taking the studs out and everything, nothing. Anyways. What’s the cheapest performance headers for the M35. Specifically 2007 Infiniti m35 base rwd. Thanks!


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Ilya
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Car: 2011 M56x but I spend a lot of time on my 2015 Kawasaki Vulcan S. Former owner of a 2007 M35x. Also take care of my wife's 2016 QX60.
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Re: 07 Infiniti m35 base exhaust headers

Postby Ilya » Sun May 02, 2021 5:51 am

Oof, I've been there. Not with an M but with a 4th gen. Maxima...definitely a bummer!

EniGmA1987
Posts: 2103
Joined: Tue Apr 28, 2009 5:13 am
Car: '06 M35 Sport

Re: 07 Infiniti m35 base exhaust headers

Postby EniGmA1987 » Mon May 03, 2021 7:22 am

SeveLampley wrote:
Sat May 01, 2021 5:22 pm
So I just burnt my whole day trying to get some after market exhaust headers to fit. It’s appears that the flange is *just* off. Tried taking the studs out and everything, nothing. Anyways. What’s the cheapest performance headers for the M35. Specifically 2007 Infiniti m35 base rwd. Thanks!
Im going to guess you bought another brand besides DC? All other brands have the exact same flange issue because they are all copies of each other. Even the DC one can have trouble on some model years it claims to be compatible with because of steering rack clearance issues.

SeveLampley
Posts: 27
Joined: Tue Feb 18, 2020 8:04 am
Car: 2007 Infiniti M35-k23 silver, 5 stage paint correction, 2 ceramic coats, full bolt on, uprev tuned, d&s rotors, hawks hs1 pads, dot 5.1 steel lines

Re: 07 Infiniti m35 base exhaust headers

Postby SeveLampley » Mon May 03, 2021 9:11 am

EniGmA1987 wrote:
Mon May 03, 2021 7:22 am
SeveLampley wrote:
Sat May 01, 2021 5:22 pm
So I just burnt my whole day trying to get some after market exhaust headers to fit. It’s appears that the flange is *just* off. Tried taking the studs out and everything, nothing. Anyways. What’s the cheapest performance headers for the M35. Specifically 2007 Infiniti m35 base rwd. Thanks!
Im going to guess you bought another brand besides DC? All other brands have the exact same flange issue because they are all copies of each other. Even the DC one can have trouble on some model years it claims to be compatible with because of steering rack clearance issues.
Yea 600$ for maybe 15 hp isn’t worth it, especially when I’m going boosted, I may just buy a used set, cut the flanges, and weld it to mine, that 70$ eBay price tag was just irresistible

EniGmA1987
Posts: 2103
Joined: Tue Apr 28, 2009 5:13 am
Car: '06 M35 Sport

Re: 07 Infiniti m35 base exhaust headers

Postby EniGmA1987 » Mon May 03, 2021 9:14 am

SeveLampley wrote:
Mon May 03, 2021 9:11 am
EniGmA1987 wrote:
Mon May 03, 2021 7:22 am


Im going to guess you bought another brand besides DC? All other brands have the exact same flange issue because they are all copies of each other. Even the DC one can have trouble on some model years it claims to be compatible with because of steering rack clearance issues.
Yea 600$ for maybe 15 hp isn’t worth it, especially when I’m going boosted, I may just buy a used set, cut the flanges, and weld it to mine, that 70$ eBay price tag was just irresistible
I just used the stock headers on mine for turbo. Not the prettiest, and probably not quite as efficient as nice matched runner length headers, but it got the job done plenty fine. Still could make 840 whp with them (without cats, using 3" exhaust the whole way back, and E85 with 1200cc injectors on an aggressive tune)


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