Pro Circuit - T-4 Slip-On Exhaust

    Pro Circuit T-4 Slip-On Exhaust

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    Was $324.95 - $464.95 $276.21 - $395.21 You save up to $69.74 (15%)

    Rating 4.88 of 5 (15 Reviews)
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    Product Information

    Pro Circuit T-4 Slip-On Exhaust

    • Improved power delivery and exhaust note
    • Body is made from lightweight 6061 T-6 brushed aluminum and the end cap and intake tube are stainless steel
    • Tunable end caps allow fine-tuning of power delivery for different types of riding and terrain
    • Silencers include wire-meshed spark arrestor that can be removed for closed-course racing
    • Steel Allen head screws make re-packing an easy task
    • Exclusive E-glass pillow packing


    • **Note: Mounting kit required for following Yamaha models: WR250F 01-05, WR400F 98-00, YZ400F 98-99, WR426F 01-02, YZ426F 00-02, WR450F 03-05

      Click Here for Additional Exhaust Information


      **Closeouts are limited to stock on hand**
    • Item # 6072

    FitmentView All

    Honda Models

    • CRF250R: 2004 - 2005, 2010
    • CRF250X: 2004 - 2009, 2012 - 2013
    • CRF450R: 2002 - 2010
    • CRF450X: 2005 - 2009, 2012 - 2014
    • XR200R: 1996 - 2002
    • XR400R: 1996 - 2004
    • XR600R: 1986 - 2000
    • XR650L: 1993 - 2009, 2012
    • XR650R: 2000 - 2007

    Kawasaki Models

    • KLR650: 1987 - 2007
    • KLX250R: 1994 - 1996
    • KLX250S: 2009 - 2010
    • KLX300: 1997 - 2005, 2007
    • KLX300R: 2005 - 2007
    • KLX400: 2003 - 2004
    • KLX450R: 2008 - 2009
    • KLX650: 1993 - 1995
    • KLX650R: 1993 - 1996
    • KX250F: 2004 - 2008
    • KX450F: 2006 - 2008

    KTM Models

    • 250 EXC: 2002 - 2005
    • 250 SX-F: 2007 - 2011
    • 250 XC-F: 2008 - 2009
    • 350 SX-F: 2011
    • 400 EXC: 2000 - 2002
    • 400 SX: 2000 - 2002
    • 450 EXC: 2003 - 2006
    • 450 MXC: 2003 - 2005
    • 450 SX: 2004 - 2006
    • 450 SX-F: 2008 - 2010
    • 520 EXC: 2000 - 2002
    • 520 MXC: 2001 - 2002
    • 520 SX: 2000 - 2002
    • 525 EXC: 2003 - 2006
    • 525 MXC: 2003 - 2005
    • 525 SX: 2003 - 2006
    • 625 LC4: 2004 - 2005

    Suzuki Models

    • DR650SE: 1997 - 2009, 2011 - 2013
    • DR-Z250: 2001 - 2003
    • DR-Z400: 2000 - 2003
    • DR-Z400E: 2000 - 2007
    • DR-Z400S: 2000 - 2009, 2012
    • DR-Z400SM: 2005 - 2009
    • RM-Z250: 2004 - 2009
    • RM-Z450: 2005 - 2009

    Yamaha Models

    • TT-R225: 1999 - 2004
    • TT-R230: 2005 - 2009, 2011 - 2013
    • TT-R250: 1999 - 2006
    • WR250F: 2001 - 2005, 2007 - 2009, 2011 - 2013
    • WR400F: 1998 - 2000
    • WR426F: 2001 - 2002
    • WR450F: 2003 - 2009, 2011
    • XT600: 1990 - 1995
    • YZ250F: 2001 - 2009
    • YZ400F: 1998 - 1999
    • YZ426F: 2000 - 2002

    Product Reviews Showing All 15 Reviews

    Overall Rating: 4.88 of 5

    (15 Reviews)
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    What Other Riders Are Saying...

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    Great Pipe

    Installed this on my 2012 Honda XR650L from the recommendation of a friend. It sounds great and was easy to install with no mods.

    Matthew - April 19, 2014

    (Norfolk, VA)

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    "Awsome"

    I have the this very same exhaust system on my Honda TRX450r...Quad Runner, I upgraded with a Big bore cylender kit, a wiseco WC003 camshaft, adjust my needle jets to the pipe & when I ride & let up off the throttle I sounds like one of the Semi-Trucks with the Clutch Brake...Luv-my-Quad.

    Thomas - January 02, 2014

    (Thanottasasa, FL)

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    Pro circuit t-4 slip on exhaust

    I got a 1999 Yamaha big bear 350. Fits ok with some drilling at different areas on the brackets. But SOUNDS GREAT and runs perfect. I'm able too keep up with the big bore atv now.

    Ryan - June 26, 2013

    (Utica, KY)

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    Pro Circuit T-4 slip on Exhaust

    I bought this slip on for my 07 CRF450R. Perfect fit, looks amazing, and sounds even better. It fit snuggly into my stock head pipe and it gives a noticeable increase in power and response.

    John - January 25, 2013

    (Fort Polk, LA)

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    Pro Circuit T-4 Slip-On Exhaust

    Very Nice !!!!

    Mr R. - October 16, 2012

    (stockton, CA)

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    Great exhaust

    Bought this for my 08 Xr650l and definitely makes the bike sound like an actual bike! It's loud enough that cars hear me coming and don't cut in front of me. The install directions are wrong. But not too hard to figure out. And the actual pipe doesn't look like the picture!! Good product.

    Josh - October 08, 2012

    (longview, WA)

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    Another 2009 XR650L

    I also installed this on my 2009 Honda XR650L. (Along w/ a FMF Power Up Jet Kit & a "Foam" Air Filter.) IT REALLY made the bike Sound FANTASTIC & LOTS more POWER!!! *Although it "BackFires" when I let off the Throttle, no matter how I JET it???

    Bundaschlagen - March 26, 2012

    (Pennsville, NJ)

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    2002 CRF450R

    Great product bought it with a stainless steel procirciut head pipe and my bike runs great, can tell the power difference in the mid and the high, has a great sound real deep and it cracks when you barely touch the throttle great product

    Casey - April 25, 2011

    (Rock Spring, WY)

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    2004 xr650L

    Just put the T4 on my 2004 XR650L and boy does it make a difference in the sound. One thing though, I had to scratch my head for a minute to figure out that the stock header pipe/exhaust clamp is not needed and the instructions mentioned something about not using the rear stock mounting position, but you do use the stock rear position and the new bolt up front eliminating the stock clamp. I will probably buy some muffler tape and a clamp to be safe. All in all, pleased so far and hoping for more now that the lil' girl can exhale better.

    Jon - September 02, 2010

    (Memphis, TN)

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    Excellent Pipe

    Wanted to improve the sound and performance of my XR650L. Installed in no time at all without any problems. This Pipe has a really nice low rumble when rolling on the throttle and thunder with WOT but not obnoxious. Felt improvement of power and torque with addition of the K&N filter and FMF jetting kit. All at a good price. Would recommend to anyone.

    R K - July 08, 2010

    (Sanford, NC)

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    Pro Circut-T-4 Slip on Exhaust-for my 2009 xr650l honda dirt bike.

    After installing this exhaust system I was real pleased with the deep sound it made. It seemed to have more power and looks better than the stock pipe. Thank you

    Ray D - June 22, 2010

    (Durham, NC)

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    2008 xrl650 T-4 slip on

    Perfect fit. Produced a great deep growl sound that can be heard. I did a carb mod also and got more power and better throttle response. Was a great price for a T-4 slip on. Super quick shipping! Thank you.

    mike - April 12, 2010

    (austin, TX)

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    Honda xr650l Pro circuit t-4

    If you like a good deep loud dirt bike sound then this is the pipe for you I have it on my 94honda xr650l and when I rip through a parking lot it sets off car alarms it is loud. And in the mountains is is loud and it give very good throttle response my friend has the same bike just a 2008 and he has the FMF q4 and it is not even as loud as this pipe. Keeps me noticed on the road.

    dustin g - June 12, 2009

    (wenatchee, WA)

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    pro curcuit t-4 94xr650l

    arived in 2 days the fit was perfect and it is loud im 25 years old and i love it it cracks when you flick the trottle

    dustin - May 19, 2009

    (wenatchee, WA)

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    T-4 slip on 06 crf 450-X

    The sound is not loud feels like bike pulls from mid to upper range better than stock.

    TIM - June 17, 2008

    (Grassvalley, CA)
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