How much horsepower will an exhaust add
235

Asked by Widman350 Jul 20, 2012 at 03:39 AM about the 2000 Pontiac Grand Prix GT

Question type: Car Customization

I have a 2000 grand prix with the 3.8 in it, ive added a magnaflow cat and then dual SLP flowthrough mufflers, plus high output coil spark plugs and msd wires. About how much hp do you think ive added from the original 205hp

Also i have a 91 k1500 silverado that has an aftermarket throttle body, cold air intake, perfomance headers and cat, and glass pack muffler, also msd wired and high output coil. stock was 210hp.

2 Answers
17,085

Chase answered 12 years ago

no tuning done on either? both probably gained anywhere from 5-10 hp.

Mark helpful

Your Answer:

Related Questions

  • How much horsepower will an exhaust add 2 Answers

    I have a 2000 grand prix with the 3.8 in it, ive added a magnaflow cat and then dual SLP flowthrough mufflers, plus high output coil spark plugs and msd wires. About how much hp do you think ive added...

    2000 Pontiac Grand Prix GT

    -

    Car Customization

  • how much difference to a 1998 4 Answers

    I have A 1998 Grand Prix GTP, which was in a accident. A friend of mine has a 1993 Grand Prix. How much difference between the two cars? Can I take parts from my 1998 and use them on the 1993 ( Motor ...

    1993 Pontiac Grand Prix 2 Dr SE Coupe

    -

    Car Customization

  • EXHAUST 3 Answers

    wondering if anyone has info on the best sounding exhaust for my gtp?

    Pontiac Grand Prix

    -

    Car Customization

  • Horsepower needed 6 Answers

    I wanna put more horsepoer in my car but not sure on what i can right now i currently have a 3.1 v6 in my 1995 pontiac grand prix but changing it to a 3.4 l v6 what can i max out on horsepower with ...

    1995 Pontiac Grand Prix 2 Dr SE Coupe

    -

    Car Customization

  • horsepower/color 2 Answers

    where can i find info on getting the most out of my supercharged 3800?the color of this car is copper with silver stripes. was this an option?

    1997 Pontiac Grand Prix 2 Dr GTP Supercharged Coupe

    -

    Car Customization

Grand Prix

Looking for a Used Grand Prix in your area?

CarGurus has 1 nationwide Grand Prix listings and the tools to find you a great deal.

Postal Code:

Shortcuts

Search Pontiac Grand Prix Questions

CarGurus Experts

  • #1
    munron
    Reputation
    8,230
  • #2
    James Sparrow
    Reputation
    7,530
  • #3
    Dorian Hendricks
    Reputation
    6,190
View All

Find great deals from top-rated dealers

Search

Related Models For Sale

Used Pontiac Bonneville
1 listing
Used Chevrolet Impala
7 Great Deals out of 96 listings starting at $3,531
Used Chevrolet Camaro
15 Great Deals out of 282 listings starting at $7,995
Used Pontiac Grand Am
1 listing
Used Ford Mustang
57 Great Deals out of 1,352 listings starting at $4,995
Used Pontiac Firebird
13 listings
Used Chevrolet Corvette
22 Great Deals out of 1,076 listings starting at $15,000
Used Buick Regal
5 Great Deals out of 39 listings starting at $4,991
Used Chevrolet Monte Carlo
5 listings starting at $9,449
Used Jeep Grand Cherokee
104 Great Deals out of 3,114 listings starting at $3,995
Used Chevrolet Silverado 1500
231 Great Deals out of 5,909 listings starting at $2,975

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use. Content will be removed if CarGurus becomes aware that it violates our policies.