Author Topic: big bore pipe comparable to trx5? (Read 5099 times)

GO OVRIT · « **on:** May 12, 2014, 02:13:26 PM »

I think it's time to switch to a big bore pipe. I like the power of my esr pipe and want something with a comparable power band. The engine is a midrange ported 344. Also what is a good silencer with the larger core?

JesseA420 · « **Reply #1 on:** May 12, 2014, 02:28:06 PM »

http://ledperformanceengines.com/exhauststore.html

that 350G

etccb · « **Reply #2 on:** May 12, 2014, 02:47:10 PM »

Get a trx5b. Same stinger and silencer but runs 10 degish cooler. You don't need a larger stinger with it.

Bowtie316 · « **Reply #3 on:** May 12, 2014, 03:42:46 PM »

Consider modifying your pipe for big bore. http://trx250r.org/threads/1662-Big-bore-stinger-project

Rupp250 · « **Reply #4 on:** May 12, 2014, 04:27:38 PM »

Huh, just run the 5? I run one on a 363 and have no issues.

GO OVRIT · « **Reply #5 on:** May 12, 2014, 08:36:56 PM »

Well it was suggested that the restrictions may be one of the causes of my recent piston failures. I may be able to "get by" with different jetting, or less aggressive riding, etc..., but I don't really want to slow down.lol If it weren't a chrome pipe I might modify it, but I don't want a partially chromed pipe and don't know where to get it rechromed. I've been thinking about that LED pipe, just want to see what options there are.

Bowtie316 · « **Reply #6 on:** May 12, 2014, 08:50:50 PM »

My modified pipe only burned the chrome off about 1/2" from the weld and it hasn't rusted.

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GO OVRIT · « **Reply #7 on:** May 12, 2014, 09:02:32 PM »

I checked out your link. That turned out good. What do you think after getting some seat time on it?

Bowtie316 · « **Reply #8 on:** May 12, 2014, 09:56:01 PM »

Pipe worked out fine, actually helped out on the low end and no heat issues to worry about. My problem was too much port timing.

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