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Message started by corey v84 on 11/11/14 at 22:45:34

Title: Bcb drag pipe
Post by corey v84 on 11/11/14 at 22:45:34

I got my drag pipe from Blue Collar Bobbers yesterday! It sounds great and the bike Runs a lot better now. My only issue is, I'm having trouble getting it to seal where it slips on the header pipe. I tried red high temp RTV and it seemed to work - but it's blowing out the joint. What other options due I have?? I don't want to put the stock muffler back on.

Title: Re: Bcb drag pipe
Post by Dave on 11/12/14 at 03:27:02

Not enough information for us to help you much....photos would help a lot.

What kind of clamp are you using? The T-Clamps work the best as they pull tightly all around the pipe. The stock Harley clamps also work very well and can be had pretty cheaply on eBay from take-off mufflers.

RTV can work OK where the header meets the cylinder - as the engine block pulls most of the heat away. No RTV can handle the heat of a header pipe and muffler connection. The same is true of epoxy like JB Weld - they can handle the engine block temperature, but not the high heat of an exhaust header pipe.

If the pipe is a loose fit on the header - you might try a thin shim made by cutting a strip of metal an aluminum soda can. Another option would be to go get some muffler patch at the auto parts store....it can handle the high temp....but may make it really hard to remove the pipe from the header once it is attached.

Have you contacted Blue Collar Bobber to get their suggestion? Maybe you got a pipe that is not properly made?

Title: Re: Bcb drag pipe
Post by corey v84 on 11/12/14 at 04:18:48

Its right were the muffler slips on the header, i tried calling them but no answer. Tried posting pictures from my tablet but it will not upload, also i dont have a clamp for it

Title: Re: Bcb drag pipe
Post by Dave on 11/12/14 at 04:37:14

Not sure how they expect it to seal without a clamp.....or they just expected you to supply the clamp. If the pipe has slots cut where it slides onto the header - then it is supposed to use clamps.

Here is a link to an eBay auction for Harley clamps...you can get new or used ones pretty cheaply and they work well.
http://www.ebay.com/itm/TWO-Stock-Harley-2-OD-1-7-8-ID-1-Wide-Stainless-MUFFLER-EXHAUST-CLAMPS-/141084533328?pt=Motorcycles_Parts_Accessories&hash=item20d94b2250&vxp=mtr

T-Clamps also work great. Sometimes you can get them locally at auto parts stores - but not everyplace carries them:
http://www.ebay.com/itm/Apache-Hose-Belting-43082004-T-Bolt-Clamp-1-15-16-2-3-16TBLT-CLAMP-/111504926603?pt=Pneumatic_Hydraulic_Valves_Parts&hash=item19f636278b

Title: Re: Bcb drag pipe
Post by corey v84 on 11/12/14 at 11:24:10

Suzuki Savage (S40) Drag Pipe & Exhaust Wrap: http://youtu.be/sXrLtZwD9wc

here is the video they sent with the exhaust, not alot of room for s clamp. .

Title: Re: Bcb drag pipe
Post by Dave on 11/12/14 at 12:22:40

Well forget anything I said about a clamp.....they did not design the system to use a clamp. Also silicone RTV will not work on a header pipe...you need to use some form of muffler patch. The High temperature silicone is good to 650 degrees.....and the header can easily exceed that temperature.

Use a sealer like this....good to 2,000 degrees.
http://shop.advanceautoparts.com/p/permatex-muffler-tailpipe-sealer-3-oz-80335-v807/7020007-p?cm_mmc=ACQ-_-Google-_-GPLA-_-7020007&ci_src=17588969&ci_sku=7020007&ci_gpa=pla&ci_kw=&iv_=__iv_p_1_g_12425515822_x_pla_y_6201684_f_online_o_7020007_z_US_i_en_j_71043851422_s__n_g_t__d_c_v__vi__&gclid=Cj0KEQiAp4yjBRCE_enjmpug944BEiQATCpLvfxejdvZ7e4PJtnFmem1Gq1-IM392-1FS8_xYNe9hx8aAuGy8P8HAQ#utm_source=acq&utm_medium=google&utm_campaign=gpla&utm_content=7020007

Title: Re: Bcb drag pipe
Post by corey v84 on 11/12/14 at 14:17:43

Thanks for the Info Dave gonna check that out for Shure