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3.5" or 4" exhaust - R33 GTR

Borci88

By Borci88,
in Wanted to Buy

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Dose Pipe Sutututu Grand Master

Dose Pipe Sutututu

Posted
Posted
40 minutes ago, Borci88 said:

Just seeing if there are any options before I build my own. 

 

Looking for a 3.5" or 4" exhaust for an R33 GTR. The quieter the better, not interested in straight through or just a cNon, no titanium either. 

 

Cheers

SP Muffler will have an OTS 4" system for R33s soon.

They already have them for R32s, very sex.

https://www.hioctanedirect.com/SP-Mufflers-4-Inch-Cat-Back-Stainless-Exhaust-With-Ovan-Muffler-Suit-R32-GTR

I'm no affiliated or anything like that.

 

joshuaho96 Veteran

joshuaho96

Posted
Posted
55 minutes ago, Dose Pipe Sutututu said:

SP Muffler will have an OTS 4" system for R33s soon.

They already have them for R32s, very sex.

https://www.hioctanedirect.com/SP-Mufflers-4-Inch-Cat-Back-Stainless-Exhaust-With-Ovan-Muffler-Suit-R32-GTR

I'm no affiliated or anything like that.

 

Interesting, this might solve my "wtf do I do for catback" dilemma. 

Dose Pipe Sutututu Grand Master

Dose Pipe Sutututu

Posted
Posted
43 minutes ago, joshuaho96 said:

Interesting, this might solve my "wtf do I do for catback" dilemma. 

Very good pricing, considering how much fabricator charge these days for just that!

Borci88 Veteran

Borci88

Posted
  • Author
Posted
2 hours ago, Dose Pipe Sutututu said:

SP Muffler will have an OTS 4" system for R33s soon.

They already have them for R32s, very sex.

https://www.hioctanedirect.com/SP-Mufflers-4-Inch-Cat-Back-Stainless-Exhaust-With-Ovan-Muffler-Suit-R32-GTR

I'm no affiliated or anything like that.

 

How soon is soon? 

 

This was the reply I got from them yesterday:

 

"No unfortunately we don't do a bolt on system for the r33, we can supply mufflers to suit but no pipework. You'll need to tee up a custom system with a local fabricator." 

Borci88 Veteran

Borci88

Posted
  • Author
Posted

 

On 10/3/2023 at 6:22 AM, StubbyFoil said:

RB335, I would be interested but I'm using the Full-Race EWG manifold that sits differently than the 6 Boost. 

I'll send them an email as well and see if they let the cat out of the bag! 

 

At this stage regardless I think it will be 2 SP Mufflers welded into a full stainless system. I assume 4" will suit my EFR9174 perfectly but 3.5" may also be on the cards if that will flow 500kw much the same.. 

Butters Experienced

Butters

Posted
Posted

Recently made the switch from a 3inch to 4inch SP Muffler setup.

Very happy with the result, more power and much better low down response.

The SP gear is high quality and they are a joy to deal with, they made me custom spec mufflers for my random setup.

I also wanted it quite and they did a great job of that.

My only complaint is they are a heavy unit.

 

Can't say what a 3.5 inch would have done but no regrets going the larger option.

 

https://www.instagram.com/reel/CzV4rhxv4tG/?utm_source=ig_web_copy_link&igsh=MzRlODBiNWFlZA==

  • Like 4
  • 2 weeks later...
nicr4wks Experienced

nicr4wks

Posted
Posted
On 7/16/2024 at 8:14 PM, Butters said:

Recently made the switch from a 3inch to 4inch SP Muffler setup.

Very happy with the result, more power and much better low down response.

The SP gear is high quality and they are a joy to deal with, they made me custom spec mufflers for my random setup.

I also wanted it quite and they did a great job of that.

My only complaint is they are a heavy unit.

 

Can't say what a 3.5 inch would have done but no regrets going the larger option.

 

https://www.instagram.com/reel/CzV4rhxv4tG/?utm_source=ig_web_copy_link&igsh=MzRlODBiNWFlZA==

That looks pure sex. Any vids of the noise? 
I'm guessing with dual muffler no resonator you don't have any drone to worry about.

Dose Pipe Sutututu Grand Master

Dose Pipe Sutututu

Posted
Posted

Here's mine for context, 3.5" turbo back, SP Mufflers and you can hear the solid lifters over the exhaust lol. I still believe I have the quietest R33 Skyline that's over 400kW.

 

 

 

  • Like 4
nicr4wks Experienced

nicr4wks

Posted
Posted
18 hours ago, Butters said:

It's really REALLY quite for a 4inch and no drone.  SP will make a smaller set of mufflers if you are looking for a bit more noise. 

 

 

11 hours ago, Dose Pipe Sutututu said:

Here's mine for context, 3.5" turbo back, SP Mufflers and you can hear the solid lifters over the exhaust lol. I still believe I have the quietest R33 Skyline that's over 400kW.

 

 

 

Thanks Guys! There's lots of posts about SP being the bees knees but these are the first 2 audio clip's I've actually seen. That's enough to convince me to fork out the $$ over cheaper brands. I'm sick of shouting at my passengers, time for the HKS to go 😂

 

@Dose Pipe Sutututu what's your setup, looks like an oval rear. Any mid muffler or resonator?

Dose Pipe Sutututu Grand Master

Dose Pipe Sutututu

Posted
Posted

@nicr4wks I have a rear oval muffler, a mid muffler and a 100 cell 5" body catalytic converter (that barely does anything useful except helps shoot massive flames on decel).

FWIW, I have Android Auto and can have a conversation with the windows up whilst driving without yelling or maxing out the audio.

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