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Mazda rx3sp exhaust build

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Old 08-01-15, 11:57 PM
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Anything that fits these narrow engine bays is pretty awesome!
Old 08-15-15, 10:56 PM
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Originally Posted by mattallac
the header is now welded out
Looks awesome!
Old 08-18-15, 09:12 AM
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seat cloth

Originally Posted by mattallac
I might as well show some pics of the car while I'm at it.
When did you get the seats cloth I am looking to buy it in red for my SP, MSG me with info

Thanks
Old 08-19-15, 11:21 AM
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sms auto fabrics 1 503 263 3535 . They are extremely slow and the staff sucks but they have mazda plaid
Old 09-02-15, 06:22 AM
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Let me know when you plan on selling it. Would like to have a blue one.
Old 09-02-15, 06:23 AM
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FL

Originally Posted by mattallac
sms auto fabrics 1 503 263 3535 . They are extremely slow and the staff sucks but they have mazda plaid

Thanks for the info I did order and yes as you said they are slowwwww still waiting on delivery of my cloth.
Old 10-19-15, 01:06 AM
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Hey there... nicely done... give us more!

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Old 12-17-15, 08:31 PM
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Any updates on this Exhaust build Matt? I got me one of these mufflers and they sure look awesome
Old 12-17-15, 11:31 PM
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Im just finishing the stainless steel heat shield i made for the fire wall and then I'm gonna finish the exhaust . I've been swamped with work so this build has been on the back burner , gonna work on it this weekend ………..pics to follow
Old 12-28-15, 09:45 PM
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Finally mocked up the rest of the exhaust , here it is .The only thing I have been questioning is : should i put a flex joint between the header and the exhaust , any comments are appreciated
Attached Thumbnails Mazda rx3sp exhaust build-img_3449.jpg   Mazda rx3sp exhaust build-img_3450.jpg   Mazda rx3sp exhaust build-img_3451.jpg  

Last edited by mattallac; 12-29-15 at 12:22 AM.
Old 12-29-15, 04:26 PM
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looks good Matt!! As for your question... Racing Beat does not use flex joints so i never do on mine... never had any issues
Old 12-29-15, 04:27 PM
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would like to see how those chrome tips look if you could give us a shot of the back of the car
Old 12-29-15, 10:45 PM
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good point . here are a few more pics , tomorrow i will be fabing up the hangers
Attached Thumbnails Mazda rx3sp exhaust build-img_3452.jpg   Mazda rx3sp exhaust build-img_3454.jpg   Mazda rx3sp exhaust build-img_3461.png  
Old 12-30-15, 08:57 PM
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looks great!! thanks Matt!! now we need some sound clips
Old 01-05-16, 11:11 AM
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I agree about not using a flex section. RB doesn't do it; I don't do it. You might notice on a full length exhaust, there is plenty of flex. The tail pipe can "wag" if not properly supported.

Ah, your over-axle section reminds me of the GLC, which is based on the RX-3. Not a lot of room back there.
Old 01-05-16, 09:09 PM
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Thanks for the advice , no flex joint it is .
Old 03-30-16, 08:52 PM
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Originally Posted by 73rx313b
I thought they came pianted black like all the Primiflo's??? pretty cool man
I thought so too! Figured the exhaust would be mild steel. Turned out to be SS. I ordered my compete kit from Racing beat. No SS manifold, They had none in stock.. no biggie. Manifold 2-1 into a pre-silencer all the way back to the muffler. Stretched the manifold out to 2.5 inches to fit a SS flange with 2.5 inch tubing.
The PR extreme muffler is amazing. All SS and Sounds as good as it looks. Amazing flow and performance with good idle tone and not too much louder over stock. Unless you go WOT, Then it really screams.

I didn't use a flex joint either, it'd just cook and add weight Stock mounts and hangers on mine, no issues and is solidly attached yet can move freely with engine play.
I'll post some pics of mind in here when I get the chance.

Car Looks amazing BTW

Last edited by kirkosaki; 03-30-16 at 08:55 PM.
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