WebOct 30, 2016 · Oct 29, 2016. #10. Mustang5L5 said: For the tailpipes only, no real benefit of 3" pipes over 2.5". Really just a visual thing. 3" might be a pain to run over the axle just for clearance, and usually the transition from 2.5" to 3" after the axle can look awkward if … WebOct 9, 2002 · 2.5" would be better unless you are planning on getting a bigger turbo. IMO, if you are looking for more low end torque though, get a 2.25". A 2.5" will give you more top end speed but you will lose low end torque. Use search to get more info. F. cobh family activities WebWhether on or off the track, exhaust headers provide more horsepower and improved exhaust sound. SPELAB offers many products to help you create your own custom engine headers. It's really easy and convenient to use: direct bolt-on, no modification needed. Fitment: 1976-1982 Chevrolet LUV. 1981-1992 Isuzu Pickup. Specifications: Brand … WebAre you thinking of buying a new exhaust, but dont know what the difference between 2.5" and 3" is? well i know it was a super hard choice when i first got m... cobh events WebFeb 22, 2024 · 1,223 Posts. #3 · Nov 27, 2024. Engine masters did a test of 2.5" vs 3" on a 600 HP BBC. 3" made 13 more HP and 15 more ft-lbs at about the same RPM's. 3" was … WebAug 20, 2024 · Location. Aiken, SC. There is tons and tons on this but long story short depends on what power you are at as to whether you will see gains. There is a point … dad's army s4 e12 WebMay 23, 2016 · 2,085 Posts. #3 · May 21, 2016. I think the 2.5 inch is good for like 475-500 flywheel hp after that think about 3 inch up to like 700hp. I had a much bigger jump on my Chevelle going from 2.5 to 3 inch on a pretty identical 454 (604 hp 540 tq) that they had here. Mine was over a 50 hp increase as I picked up 4-5 mph in 1/4 mile but some of ...

WebDec 29, 2024 · Does "best" mean the most pleasing sound or the most power? Is price also a factor? ... (see this Engine Masters dyno test of crossovers vs. straight pipes on a mild 5.3-liter LS with a 2.5-inch ... WebDec 31, 2004 · I had a full APS 3" with 2.5 axle back. I put on a 3" axle back. With the 3", the turbo spooled 500rpm sooner. Power was basicly the same. The 3" axleback was deeper … cobh events today http://fishguys.net/search-apuv/EXHAUST-MUFFLER-CONE-INSERT-341085/ WebSep 9, 2015 · 2,531. With that combination of displacement vs. peak power, you could go a couple ways. - 3" mandrel bent from collectors with x-pipe into 3" mufflers out to 2.5" tailpipes. - Same as above, except 2.5" collector back through x-pipe, mufflers and tailpipes. cobh fc WebJan 19, 2007 · Now as far as a 2.5" or 3" exhaust... Whitemtn made 508/660 on a maxxfab 3" o2 housing, 3" downpipe without cat into the mopar borla exhaust with the restriction removed. On a good 2.5" exhaust you can make serious power. Maxxfab even proves that between the 3" and the 2.5" there is only a few hp difference. WebWhether on or off the track, exhaust headers provide more horsepower and improved exhaust sound. SPELAB offers many products to help you create your own custom engine headers. It's really easy and convenient to use: direct bolt-on, no modification needed. Fitment: 1955-1957 Chevrolet Bel Air. 1955-1978,1980-1982 Chevrolet Corvette. cobh fc table WebMay 17, 2016 · Engine Masters Ep. 9 Busts the Backpressure Myth: 3-inch vs. 2.5-inch Exhaust! We know that size matters, but just how does exhaust tubing diameter affect …

WebDec 16, 2024 · Joined Sep 8, 2024. 2,661 Posts. #3 · Feb 28, 2024. Well, a stock GT, pushing over 400hp is 2.25” in diameter from the exhaust manifolds all the way through the resonator. After the resonator the diameter of the exhaust jumps to 2.5”. That should tell you something. 3" is overkill for the little Ecoboost. cobh ferry prices WebJan 19, 2007 · Now as far as a 2.5" or 3" exhaust... Whitemtn made 508/660 on a maxxfab 3" o2 housing, 3" downpipe without cat into the mopar borla exhaust with the restriction … dad's army s4