| jhv48 |
09-12-2009 06:52 AM |
SPF Side Pipe Collector
Ok, I have read all the posts about replacing the restrictive side pipes in order to let my engine breathe properly.
However, I have a couple of choices to make. First, do I cut the existing pipes at the muffler and simply weld in a 3" replacement muffler (keeping the cost waaaay down), or do I have to cut the pipes at the junction of the four pipes and the collector and replace that too?
I guess what I'm asking is: Is there going to be a flow problem with the existing collector into the "new" larger muffler, or should I just remove the old side pipe entirely and replace it with a complete new unit from one of the vendors (most expensive).
Will the existing collectors screw up the exhaust flow into the new larger mufflers?
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| poisonsnake |
09-12-2009 09:49 PM |
firefly performance.com for great flowing/sounding pipes.
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| mickmate |
09-13-2009 06:57 AM |
I don't think the existing ones will hurt performance at all. I replaced the muffler only with great results.
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| jhv48 |
09-13-2009 08:25 AM |
Thanks, you just saved me $$$$$$$.
Now to see if Stainless Specialties came make me a muffler that fits my current side pipe measurements.
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| jhv48 |
09-15-2009 03:54 PM |
Just ordered the Stainless Specialties Performaster Mufflers with the 3 inch inside diameter core.
Will update you in a few weeks after I get them and have them installed.
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| Randy Rosenberg |
09-15-2009 04:15 PM |
I'm not an exhaust expert (nor do I play one on TV), but the stock collector on the SPF looks like it's rather inefficient by today's standards. It looks like it just dumps all four header pipes together with no thought or intention of making the flow efficient - compare it to a true "merge" collector, and I think there's a big difference.
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| RedBarchetta |
09-15-2009 04:20 PM |
Quote:
Originally Posted by jhv48
(Post 983769)
Just ordered the Stainless Specialties Performaster Mufflers with the 3 inch inside diameter core.
Will update you in a few weeks after I get them and have them installed.
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While you wait, go to Home Cheapo and buy a box of their foam, 30db disposable ear plugs. You will need them at WOT. Go to my gallery to see the classic "baseball" pic with these mufflers. :3DSMILE:
-Dean |
| mickmate |
09-15-2009 07:04 PM |
If you're welding the stainless muffs onto steel pipe use TIG or MIG with stainless wire a grade higher than the muffs. For 304 to mild steel use 308 welding wire.
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