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Twin Exhausts On A R33 Rb25det

mitchy_

By mitchy_,
in Western Australia

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mitchy_ Grand Master

mitchy_

Posted
Posted

i dont like my 3.5" exhaust with a 4" cannon.

the exhaust is too big, so it sits too low under the car, and i hate the look of a milo tin hanging off the back.

im essentially after a twin 2.5" system, with a 3" chrome tip on either side of the rear bumper.

much like this.. (yes its a stinking holden, but it has the style i like :))

post-15551-1150111740.jpg

anyway..

where would i go to get something like this, and is it do-able?

is there room on the right hand side of the car to run the exhaust, or can twin pipes be run down the left hand side, and the second pipe crosses over to the right after the diff?

give me answers and/or suggestions!

ps. if it works, anyone want to buy a 3" trust dump + really high-flow cat *wink* + 3" -> 3.5" expanding exhaust, with a 4" tip? ;)

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mitchy_ Grand Master

mitchy_

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  • Author
Posted

probably about $600?

its in pretty good condition, dump pipe is powder-coated, with a small scratch on the bottom, and the cannon has a bit of scratching and a small flat spot on the bottom.

mitchy_ Grand Master

mitchy_

Posted
  • Author
Posted

yeah, ive seen that style... i like it better than what i have now.

however i still prefer the single tip on either side :)

might ring a few exhaust places and see what the verdict is..

if it can be done on a GTR, i cant see why not on a GTS-T.. both have the same exhaust channel on the left.

_8OO5TED_ Mentor

_8OO5TED_

Posted
Posted

yeah it would creat alot of extra un-needed piping making it more expensive? the twin exhaust on the Monaro/350Z/300ZX etc is like so as its easier to run twin pipes either side of the V-shaped motor. The inline six of the RB25 make sense to have the single pipe down 1 side.

ix9 Grand Master

ix9

Posted
Posted

I hear ya mitchy - Love the twin tailpipe look :banana:

P.S. You wouldn't need to sell your old exhaust, just the rear section really.

You can get any exhaust shop to weld you up a nice twinpipe system (from say the rear-diff backwards) - the only real cost would be in the twin mufflers.

How you'd go with in-cabin drone is another story but!

Good luck, and don't forget to post pics when you're done!

thrtytwo Veteran

thrtytwo

Posted
Posted

Try Genie exhausts, they may be a little more expensive than some places but theyre generally competetive and always have a good end product.

60 Norma Rd

Myaree, WA 6154

Daily 8:30am- 5:30pm

Tel: (08) 9330-6900

Fax: (08) 9330-2514

Cake Mentor

Cake

Posted
Posted

i think street force built that LS1 R33 which has a cannon muffler exiting on each side. give them a call. i'm sure any competent performance exhaust shop could make it, not sure how much room you'd have for piping underneath the right side of the car though.

KLowN Community Regular

KLowN

Posted
Posted
Try Genie exhausts, they may be a little more expensive than some places but theyre generally competetive and always have a good end product.

60 Norma Rd

Myaree, WA 6154

Daily 8:30am- 5:30pm

Tel: (08) 9330-6900

Fax: (08) 9330-2514

if you want my feedback from past experiences with these guys, pm me :D

mitchy_ Grand Master

mitchy_

Posted
  • Author
Posted
I hear ya mitchy - Love the twin tailpipe look :)

P.S. You wouldn't need to sell your old exhaust, just the rear section really.

You can get any exhaust shop to weld you up a nice twinpipe system (from say the rear-diff backwards) - the only real cost would be in the twin mufflers.

How you'd go with in-cabin drone is another story but!

Good luck, and don't forget to post pics when you're done!

i was thinking about just doing the rear part after i posted..

just before the dif, and back, should be all i need, because its only really where a 3.5" mandrel bent pipe passes under the dif shafts does the exhaust cause any problems for bottoming out, etc.

emailed mettams and they doubted it would fit with the stock fuel tank.. but i reckon with a bit of creative thinking, ill get my twin tips ;)

ps. with the twin tips.. i was thinking about putting one of those apexi exhaust control valves on one side..

ie. when i dont need power or noise i can make it run off just one 2.5" exhaust, and when i want to give it a squirt, open it up for twin 2.5" goodness :D

qikstagea Mentor

qikstagea

Posted
Posted

just do what im doing with the stagea - 3 inch to the diff, then split, with a 2.5" going to each side, with cannons.

dump pipe, cat, length of pipe, magnaflow muffler, resonator tuned for 2000-2500 revs, or 2500-3000 revs to stop drone, then length of pipe back to diff, splitter, 2'5inches each way, to cannons.

brilliant. but expensive, maybe $1300 depending on brand-name parts or not.

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