What is the best possible Exhaust system I could throw on my 351 Cleveland..
I have had a few different suggestions.. And I wouldn't know..
Suggestion 1. Twin 2.5 Inch exhaust with 2 walker mufflers and 2 walker hot dogs with Balance pipe (Hot dog resonators? Half car, mufflers right at back.)
Suggestion 2. Twin 2.5 inch with 2 straight through mufflers at the back
Suggestion 3. Twin 2.5 inch, with 2 mufflers and dump pipes under the car
Suggestion 4. Single 2.5- 2.7 inch with Straight through muffler...
Now the sound I want is a Smooth deep V8 note, No tin, hollow, cackling or overrun (spitting, farting ect)...
I don't want heaps of sound, Just a nice deep idle, and a bit of a V8 purr when revving...
I would like suggestions please... The best I have Heard so far was apparently a 2.5 inch with straight through single...
Vote for suggestion 2 too, but with X cross-over pipe and not a H cross-over pipe (same note but more torque). The Lukey Race Series mufflers sound great. I was never that happy with the sound of my Walker Super Turbo, but it was a single system. You don't need resonators.
If the motor isn't going to be stock for too long, I'd think about upgrading the exhaust manifolds with a decent set of headers. May cost more initially, but will save you a bit down the track.
saw a pretty nice exhaust on a 351c today at the v8 jet sprints. sounded pretty good, but was competing in the 400ci class and was pretty much owned by the chev's all day. best sounding was a 400ci chevy with the eds of the pipes joined x-pipe style.
I'd recommend getting flanges welded into your system where the exhaust meets up to your extractors and also before where the pipes go into the mufflers. If you don't have extractors, the flanges where the pipes bolt up to your original exhaust manifold will be OK.
That way you can easily unbolt that middle section of your exhaust allowing EASY removal of your gearbox etc. The x-pipe crossover will be right under your gearbox or approx where the gearbox yoke joins onto the driveshaft. The idiot who did my exhaust (previous owner) welded the whole freakin' thing together - extractors to exhaust tip, all ONE PIECE!! Dropping the gearbox is an absolute pain!
I just had a twin 2.5" exhaust fitted today. It has straight through mufflers and an X pipe joined up to the Genie extractors I have always had. It sounds bloody unreal and I would have never dreamed an exhaust change could make so much difference in performance. (I had a "stocker" twin 2" before). I would definately recomend the X pipe for the sound and the engine even idles more smoothly because the X pipe "balances out the cam" wheatever that means, its something to do with the firing order. X pipes RULE and for the first time the old girl lays rubber from a standing start, the difference is amazing.
Probably too much. $660 including blue diamond stainless steel tips. The closest I could get to factory originals. They cut the Genies back to the collectors and welded 2.5 inch flanges on. There are also flanges behind the mufflers so I can take a section out to get at the gearbox. They painted it all in heat resistant black. The sound is AMAZING I drove around all afternoon with the windows down, with a grin from ear to ear.
I have no kickdown at the moment. I am waiting on a replacement cable one due from the US anyday now. It has that much extra torque that it feels like it is kicking down to second when it is just pulling out of the corners in top gear. And she lights them up without even trying (yes it an auto!)
I dont have access to a hoist. I should have taken my camera to the exhaust place yeterday. I ran the car up on ramps. Here is a website that may be useful. You can even hear what the X pipes sound like. www.pypesexhaust.com/
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